Changes for page LA66 USB LoRaWAN Adapter User Manual

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Title

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1		-LA66 USB LoRaWAN Adapter User Manual
	1	+LA66 LoRaWAN Module

Author

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1		-XWiki.Xiaoling
	1	+XWiki.Lu

Content

...	...	@@ -1,4 +1,4 @@
1		-
	1	+0
2	2
3	3	**Table of Contents:**
4	4
...	...	@@ -6,25 +6,34 @@
6	6
7	7
8	8
	9	+= 1.  LA66 LoRaWAN Module =
9	9
10	10
11		-= 1.  LA66 USB LoRaWAN Adapter =
	12	+== 1.1  What is LA66 LoRaWAN Module ==
12	12
13		-== 1.1  Overview ==
14	14
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
15	15
16		-[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]]
	20	+(((
	21	+
	22	+)))
17	17
18		-
19	19	(((
20		-(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
	25	+(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
21	21	)))
	27	+)))
22	22
23	23	(((
	30	+(((
24	24	(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
25	25	)))
	33	+)))
26	26
27	27	(((
	36	+(((
28	28	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
29	29	)))
30	30
...	...	@@ -31,34 +31,35 @@
31	31	(((
32	32	Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
33	33	)))
	43	+)))
34	34
35	35	(((
	46	+(((
36	36	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
37	37	)))
	49	+)))
38	38
39	39
	52	+
40	40	== 1.2  Features ==
41	41
42		-
43		-* LoRaWAN USB adapter base on LA66 LoRaWAN module
44		-* Ultra-long RF range
45		-* Support LoRaWAN v1.0.3 protocol
	55	+* Support LoRaWAN v1.0.4 protocol
46	46	* Support peer-to-peer protocol
47	47	* TCXO crystal to ensure RF performance on low temperature
48		-* Spring RF antenna
	58	+* SMD Antenna pad and i-pex antenna connector
49	49	* Available in different frequency LoRaWAN frequency bands.
50	50	* World-wide unique OTAA keys.
51	51	* AT Command via UART-TTL interface
52	52	* Firmware upgradable via UART interface
53		-* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	63	+* Ultra-long RF range
54	54
55	55	== 1.3  Specification ==
56	56
57		-
58	58	* CPU: 32-bit 48 MHz
59	59	* Flash: 256KB
60	60	* RAM: 64KB
61		-* Input Power Range: 5v
	70	+* Input Power Range: 1.8v ~~ 3.7v
	71	+* Power Consumption: < 4uA.
62	62	* Frequency Range: 150 MHz ~~ 960 MHz
63	63	* Maximum Power +22 dBm constant RF output
64	64	* High sensitivity: -148 dBm
...	...	@@ -70,455 +70,567 @@
70	70	** Operating: 10 ~~ 95% (Non-Condensing)
71	71	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
72	72	* LoRa Rx current: <9 mA
	83	+* I/O Voltage: 3.3v
73	73
74		-== 1.4  Pin Mapping & LED ==
	85	+== 1.4  AT Command ==
75	75
76	76
77		-[[image:image-20220813183239-3.png||height="526" width="662"]]
	88	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
78	78
79	79
80		-== 1.5  Example: Send & Get Messages via LoRaWAN in PC ==
81	81
	92	+== 1.5  Dimension ==
82	82
	94	+[[image:image-20220718094750-3.png]]
	95	+
	96	+
	97	+
	98	+== 1.6  Pin Mapping ==
	99	+
	100	+[[image:image-20220720111850-1.png]]
	101	+
	102	+
	103	+
	104	+== 1.7  Land Pattern ==
	105	+
	106	+[[image:image-20220517072821-2.png]]
	107	+
	108	+
	109	+
	110	+= 2.  LA66 LoRaWAN Shield =
	111	+
	112	+
	113	+== 2.1  Overview ==
	114	+
	115	+
83	83	(((
84		-Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
85	85	)))
86	86
87		-(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	120	+(((
	121	+
	122	+)))
88	88
89		-[[image:image-20220723100027-1.png]]
	124	+(((
	125	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
	126	+)))
90	90
	128	+(((
	129	+(((
	130	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	131	+)))
	132	+)))
91	91
92		-Open the serial port tool
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
93	93
94		-[[image:image-20220602161617-8.png]]
	140	+(((
	141	+(((
	142	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	143	+)))
	144	+)))
95	95
	146	+(((
	147	+(((
	148	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	149	+)))
	150	+)))
96	96
97		-[[image:image-20220602161718-9.png||height="457" width="800"]]
98	98
99	99
100		-(% style="color:blue" %)**2. Press the reset switch RST on the LA66_V1 USB LoRaWAN Adapter to reset it.（You do not need to reset the LA66 V2 USB LoRaWAN Adapter.）**
	154	+== 2.2  Features ==
101	101
102		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	156	+* Arduino Shield base on LA66 LoRaWAN module
	157	+* Support LoRaWAN v1.0.4 protocol
	158	+* Support peer-to-peer protocol
	159	+* TCXO crystal to ensure RF performance on low temperature
	160	+* SMA connector
	161	+* Available in different frequency LoRaWAN frequency bands.
	162	+* World-wide unique OTAA keys.
	163	+* AT Command via UART-TTL interface
	164	+* Firmware upgradable via UART interface
	165	+* Ultra-long RF range
103	103
104		-[[image:image-20220602161935-10.png||height="498" width="800"]]
	167	+== 2.3  Specification ==
105	105
	169	+* CPU: 32-bit 48 MHz
	170	+* Flash: 256KB
	171	+* RAM: 64KB
	172	+* Input Power Range: 1.8v ~~ 3.7v
	173	+* Power Consumption: < 4uA.
	174	+* Frequency Range: 150 MHz ~~ 960 MHz
	175	+* Maximum Power +22 dBm constant RF output
	176	+* High sensitivity: -148 dBm
	177	+* Temperature:
	178	+** Storage: -55 ~~ +125℃
	179	+** Operating: -40 ~~ +85℃
	180	+* Humidity:
	181	+** Storage: 5 ~~ 95% (Non-Condensing)
	182	+** Operating: 10 ~~ 95% (Non-Condensing)
	183	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	184	+* LoRa Rx current: <9 mA
	185	+* I/O Voltage: 3.3v
106	106
107		-(% style="color:blue" %)**3. See Uplink Command**
	187	+== 2.4  LED ==
108	108
109		-Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	189	+~1. The LED lights up red when there is an upstream data packet
	190	+2. When the network is successfully connected, the green light will be on for 5 seconds
	191	+3. Purple light on when receiving downlink data packets
110	110
111		-example: AT+SENDB=01,02,8,05820802581ea0a5
112	112
113		-[[image:image-20220602162157-11.png||height="497" width="800"]]
	194	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
114	114
	196	+Show connection diagram：
115	115
116		-(% style="color:blue" %)**5.  Check to see if TTN received the message**
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
117	117
118		-[[image:image-20220817093644-1.png]]
	200	+1.open Arduino IDE
119	119
	202	+[[image:image-20220723170545-4.png]]
120	120
121		-== 1.6  Example: How to join helium ==
	204	+2.Open project
122	122
	206	+[[image:image-20220723170750-5.png||height="533" width="930"]]
123	123
124		-(% style="color:blue" %)**1.  Create a new device.**
	208	+3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
125	125
126		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
	210	+[[image:image-20220723171228-6.png]]
127	127
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
128	128
129		-(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
	214	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
130	130
131		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
	216	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
132	132
	218	+1.Open project
133	133
134		-(% style="color:blue" %)**3.  Use AT commands.**
	220	+[[image:image-20220723172502-8.png]]
135	135
136		-[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
	222	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
137	137
	224	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
138	138
139		-(% style="color:blue" %)**4.  Use the serial port tool**
140	140
141		-[[image:image-20220909151517-2.png||height="543" width="708"]]
	227	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
142	142
	229	+1.Open project
143	143
144		-(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
	231	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
145	145
146		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
	233	+2.Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
147	147
	235	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
148	148
149		-(% style="color:blue" %)**6.  Network successfully.**
150	150
151		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
	238	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
152	152
153	153
154		-(% style="color:blue" %)**7.  Send uplink using command**
	241	+=== 2.8.1  Items needed for update ===
155	155
156		-[[image:image-20220912085244-1.png]]
	243	+1. LA66 LoRaWAN Shield
	244	+1. Arduino
	245	+1. USB TO TTL Adapter
157	157
158		-[[image:image-20220912085307-2.png]]
	247	+[[image:image-20220602100052-2.png||height="385" width="600"]]
159	159
160	160
161		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
	250	+=== 2.8.2  Connection ===
162	162
163	163
164		-== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
	253	+[[image:image-20220602101311-3.png||height="276" width="600"]]
165	165
166	166
167		-**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
	256	+(((
	257	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	258	+)))
168	168
169		-(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
	260	+(((
	261	+(% style="background-color:yellow" %)**GND  <-> GND
	262	+TXD  <->  TXD
	263	+RXD  <->  RXD**
	264	+)))
170	170
171	171
172		-(% style="color:red" %)**Preconditions:**
	267	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
173	173
174		-(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	269	+Connect USB TTL Adapter to PC after connecting the wires
175	175
176		-(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
177	177
	272	+[[image:image-20220602102240-4.png||height="304" width="600"]]
178	178
179		-(% style="color:blue" %)**Steps for usage:**
180	180
181		-(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	275	+=== 2.8.3  Upgrade steps ===
182	182
183		-(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
184	184
185		-(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
	278	+==== 1.  Switch SW1 to put in ISP position ====
186	186
187	187
188		-[[image:image-20220602115852-3.png||height="450" width="1187"]]
	281	+[[image:image-20220602102824-5.png||height="306" width="600"]]
189	189
190	190
191		-== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
192	192
	285	+==== 2.  Press the RST switch once ====
193	193
194		-Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
195	195
196		-(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	288	+[[image:image-20220602104701-12.png||height="285" width="600"]]
197	197
198		-[[image:image-20220723100439-2.png]]
199	199
200	200
201		-(% style="color:blue" %)**2.  Install Minicom in RPi.**
	292	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
202	202
203		-(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
204	204
205		- (% style="background-color:yellow" %)**apt update**
	295	+(((
	296	+(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
	297	+)))
206	206
207		- (% style="background-color:yellow" %)**apt install minicom**
208	208
209		-Use minicom to connect to the RPI's terminal
	300	+[[image:image-20220602103227-6.png]]
210	210
211		-[[image:image-20220602153146-3.png||height="439" width="500"]]
212	212
	303	+[[image:image-20220602103357-7.png]]
213	213
214		-(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
215	215
216		-The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
217	217
218		-[[image:image-20220602154928-5.png||height="436" width="500"]]
	307	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	308	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
219	219
220	220
221		-(% style="color:blue" %)**4.  Send Uplink message**
	311	+[[image:image-20220602103844-8.png]]
222	222
223		-Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
224	224
225		-example: AT+SENDB=01,02,8,05820802581ea0a5
226	226
227		-[[image:image-20220602160339-6.png||height="517" width="600"]]
	315	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	316	+(% style="color:blue" %)**3. Select the bin file to burn**
228	228
229	229
230		-Check to see if TTN received the message
	319	+[[image:image-20220602104144-9.png]]
231	231
232	232
233		-[[image:image-20220602160627-7.png||height="369" width="800"]]
	322	+[[image:image-20220602104251-10.png]]
234	234
235	235
236		-== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
	325	+[[image:image-20220602104402-11.png]]
237	237
238		-=== 1.9.1  Hardware and Software Connection ===
239	239
240	240
241		-(% class="wikigeneratedid" id="HOverviewFF1A" %)
242		-(% style="color:blue" %)**Overview：**
	329	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	330	+(% style="color:blue" %)**4. Click to start the download**
243	243
244		-(((
245		-DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
	332	+[[image:image-20220602104923-13.png]]
246	246
247		-* Send real-time location information of mobile phone to LoRaWAN network.
248		-* Check LoRaWAN network signal strengh.
249		-* Manually send messages to LoRaWAN network.
250		-)))
251	251
252	252
	336	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	337	+(% style="color:blue" %)**5. Check update process**
253	253
254		-(% class="wikigeneratedid" id="HHardwareConnection:" %)
255		-(% style="color:blue" %)**Hardware Connection:**
256	256
257		-A USB to Type-C adapter is needed to connect to a Mobile phone.
	340	+[[image:image-20220602104948-14.png]]
258	258
259		-(% style="color:red" %)**Note: The package of LA66 USB adapter already includes this USB Type-C adapter.**
260	260
261		-[[image:image-20220813174353-2.png||height="360" width="313"]]
262	262
	344	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	345	+(% style="color:blue" %)**The following picture shows that the burning is successful**
263	263
264		-(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
265		-(% style="color:blue" %)**Download and Install App:**
	347	+[[image:image-20220602105251-15.png]]
266	266
267		-[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
268	268
269		-[[image:image-20220813173738-1.png]]
270	270
	351	+= 3.  LA66 USB LoRaWAN Adapter =
271	271
272		-(% class="wikigeneratedid" id="HUseofAPP:" %)
273		-(% style="color:blue" %)**Use of APP:**
274	274
275		-Function and page introduction:
	354	+== 3.1  Overview ==
276	276
277		-[[image:image-20220723113448-7.png||height="911" width="412"]]
278	278
	357	+[[image:image-20220715001142-3.png||height="145" width="220"]]
279	279
280		-(% style="color:blue" %)**Block Explain:**
281	281
282		-1.  Display LA66 USB LoRaWAN Module connection status
	360	+(((
	361	+(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
	362	+)))
283	283
284		-2.  Check and reconnect
	364	+(((
	365	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	366	+)))
285	285
286		-3.  Turn send timestamps on or off
	368	+(((
	369	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	370	+)))
287	287
288		-4.  Display LoRaWan connection status
	372	+(((
	373	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	374	+)))
289	289
290		-5.  Check LoRaWan connection status
	376	+(((
	377	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	378	+)))
291	291
292		-6.  The RSSI value of the node when the ACK is received
293	293
294		-7.  Node's Signal Strength Icon
295	295
296		-8.  Configure Location Uplink Interval
	382	+== 3.2  Features ==
297	297
298		-9.  AT command input box
	384	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	385	+* Ultra-long RF range
	386	+* Support LoRaWAN v1.0.4 protocol
	387	+* Support peer-to-peer protocol
	388	+* TCXO crystal to ensure RF performance on low temperature
	389	+* Spring RF antenna
	390	+* Available in different frequency LoRaWAN frequency bands.
	391	+* World-wide unique OTAA keys.
	392	+* AT Command via UART-TTL interface
	393	+* Firmware upgradable via UART interface
	394	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
299	299
300		-10.  Send Button:  Send input box info to LA66 USB Adapter
	396	+== 3.3  Specification ==
301	301
302		-11.  Output Log from LA66 USB adapter
	398	+* CPU: 32-bit 48 MHz
	399	+* Flash: 256KB
	400	+* RAM: 64KB
	401	+* Input Power Range: 5v
	402	+* Frequency Range: 150 MHz ~~ 960 MHz
	403	+* Maximum Power +22 dBm constant RF output
	404	+* High sensitivity: -148 dBm
	405	+* Temperature:
	406	+** Storage: -55 ~~ +125℃
	407	+** Operating: -40 ~~ +85℃
	408	+* Humidity:
	409	+** Storage: 5 ~~ 95% (Non-Condensing)
	410	+** Operating: 10 ~~ 95% (Non-Condensing)
	411	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	412	+* LoRa Rx current: <9 mA
303	303
304		-12.  clear log button
	414	+== 3.4  Pin Mapping & LED ==
305	305
306		-13.  exit button
307	307
308	308
309		-LA66 USB LoRaWAN Module not connected:
	418	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
310	310
311		-[[image:image-20220723110520-5.png||height="677" width="508"]]
312	312
	421	+(((
	422	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	423	+)))
313	313
314		-Connect LA66 USB LoRaWAN Module:
315	315
316		-[[image:image-20220723110626-6.png||height="681" width="511"]]
	426	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
317	317
318	318
319		-=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
	429	+[[image:image-20220723100027-1.png]]
320	320
321	321
322		-(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	432	+Open the serial port tool
323	323
324		-[[image:image-20220723134549-8.png]]
	434	+[[image:image-20220602161617-8.png]]
325	325
	436	+[[image:image-20220602161718-9.png||height="457" width="800"]]
326	326
327		-(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
328	328
329	329
330		-Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
	440	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
331	331
332		-For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
	442	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
333	333
334		-After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
335	335
336		-LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]]
	445	+[[image:image-20220602161935-10.png||height="498" width="800"]]
337	337
338	338
339		-Example output in NodeRed is as below:
340	340
341		-[[image:image-20220723144339-1.png]]
	449	+(% style="color:blue" %)**3. See Uplink Command**
342	342
	451	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
343	343
344		-== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	453	+example: AT+SENDB=01,02,8,05820802581ea0a5
345	345
346		-=== 1.10.1 Update method: For LA66 with bootloader ===
	455	+[[image:image-20220602162157-11.png||height="497" width="800"]]
347	347
348	348
349		-* We ship the LA66 USB LoRaWAN Adapter with a boot loader by default, and the latest boot loader is V1.4. Users can download the new version of the boot loader by clicking on this [[link>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
350	350
351		-[[image:image-20250122110039-1.png||height="335" width="816"]]
	459	+(% style="color:blue" %)**4. Check to see if TTN received the message**
352	352
353		-(% style="color:red" %)**Note: Upgrading the boot loader requires using the upgrade method described in section 1.10.2.**
	461	+[[image:image-20220602162331-12.png||height="420" width="800"]]
354	354
355	355
356		-* For the bootloader V1.4, compared to V1.3, his role is to support OTA configuration for T68DL (D let Gino product model).
357	357
358		-So if your LA66 doesn't need this feature, you can also just follow the below to upgrade the firmware instead of the bootloader:
	465	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
359	359
360		-**Firmware download (Please select withbootloader version):**
361	361
362		-[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
	468	+**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
363	363
	470	+(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
364	364
365		-**Firmware update method:**
	472	+(% style="color:red" %)**Preconditions:**
366	366
367		-Please refer to this link
	474	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
368	368
369		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2.1UpdateafirmwareviaDraginoSensorManagerUtility.exe]]
	476	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
370	370
371	371
372		-=== 1.10.2 Update method: For LA66 without bootloader ===
373	373
	480	+(% style="color:blue" %)**Steps for usage:**
374	374
375		-* Explanation:
	482	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
376	376
377		-For LA66 without a bootloader, we can only burn a bootloader for it in the following way. Because using OTA_Tool to upgrade the firmware of LA66 this address is (% style="color:blue" %)**0x0800D000**(%%) by default, but our bootloader needs to be burned at address .
	484	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
378	378
379		-Therefore, you can use this method to download the firmware with the boot loader directly or upgrade your boot loader (address from (% style="color:blue" %)**0x08000000**(%%)).
	486	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
380	380
381		-**Firmware download（Download firmware with bootloader）:**
382	382
383		-[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
384	384
385		-[[image:image-20250122111651-2.png||height="243" width="682"]]
	490	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
386	386
387	387
388		-* Upgrade Details:
	493	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
389	389
390		-The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
391	391
392		-Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect).
	496	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
393	393
394		-(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.**
	498	+[[image:image-20220723100439-2.png]]
395	395
396		-[[image:image-20220723150132-2.png||height="514" width="506"]]
397	397
398	398
399		-(% style="color:blue" %)**For the LA66 USB LoRaWAN Adapter v1.2, the hardware design has eliminated the reset button, so the first step we need to use the DuPont wire to connect the BOOT pin to the RX pin. Second, connect the LA66 USB LoRaWAN Adapter v1.2 to a USB hub or computer USB port so that it will enter burn mode. Then follow the steps below to burn the firmware.**
	502	+(% style="color:blue" %)**2. Install Minicom in RPi.**
400	400
401		-(% style="color:red" %)**Note: After the successful burning need to unplug the LA66 USB LoRaWAN Adapter v1.2, and then reconnect the computer interface, so that it will exit the burning mode.**
	504	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
402	402
403		-[[image:image-20240401171313-1.jpeg||height="521" width="792"]]
	506	+ (% style="background-color:yellow" %)**apt update**
404	404
	508	+ (% style="background-color:yellow" %)**apt install minicom**
405	405
406		-(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
407		-(% style="color:blue" %)**Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**
408	408
409		-**1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
	511	+Use minicom to connect to the RPI's terminal
410	410
411		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]]
	513	+[[image:image-20220602153146-3.png||height="439" width="500"]]
412	412
413		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png" height="486" width="390"]]
414	414
415	415
416		-**2.  Select the COM port corresponding to USB TTL**
	517	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
417	417
418		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png" height="291" width="389"]]
	519	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
419	419
420	420
421		-**3.  Select the bin file to burn**
	522	+[[image:image-20220602154928-5.png||height="436" width="500"]]
422	422
423		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png" height="318" width="405"]]
424	424
425		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png" height="330" width="579"]]
426	426
427		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png" height="290" width="372"]]
	526	+(% style="color:blue" %)**4. Send Uplink message**
428	428
	528	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
429	429
430		-**4.  Click to start the download**
	530	+example: AT+SENDB=01,02,8,05820802581ea0a5
431	431
432		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png" height="462" width="372"]]
433	433
	533	+[[image:image-20220602160339-6.png||height="517" width="600"]]
434	434
435		-**5.  Check update process**
436	436
437		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png" height="483" width="386"]]
438	438
	537	+Check to see if TTN received the message
439	439
440		-**The following picture shows that the burning is successful**
	539	+[[image:image-20220602160627-7.png||height="369" width="800"]]
441	441
442		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png" height="513" width="406"]]
443	443
444	444
445		-= 2.  FAQ =
	543	+== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
446	446
447		-== 2.1  How to Compile Source Code for LA66? ==
	545	+=== 3.8.1 DRAGINO-LA66-APP ===
448	448
	547	+[[image:image-20220723102027-3.png]]
449	449
450		-Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
	549	+==== Overview： ====
451	451
	551	+DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
452	452
453		-== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
	553	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
454	454
	555	+==== Conditions of Use： ====
455	455
456		-Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
	557	+Requires a type-c to USB adapter
457	457
	559	+[[image:image-20220723104754-4.png]]
458	458
459		-== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
	561	+==== Use of APP: ====
460	460
	563	+Function and page introduction
461	461
462		-Set the AT+COMMAND: (% style="color:blue" %)**AT+UUID=666666666666**
	565	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
463	463
	567	+1.Display LA66 USB LoRaWAN Module connection status
464	464
465		-== 2.4 How to use external antenna via ipex connector? ==
	569	+2.Check and reconnect
466	466
	571	+3.Turn send timestamps on or off
467	467
468		-You need to remove the spring antenna first, and also remove the resistor and capacitor.
469		-Connect external antenna.
	573	+4.Display LoRaWan connection status
470	470
471		-[[image:image-20231129155939-1.png||height="529" width="397"]]
	575	+5.Check LoRaWan connection status
472	472
	577	+6.The RSSI value of the node when the ACK is received
473	473
474		-= 3.  Order Info =
	579	+7.Node's Signal Strength Icon
475	475
	581	+8.Set the packet sending interval of the node in seconds
476	476
477		-**Part Number:**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	583	+9.AT command input box
478	478
479		-(% style="color:blue" %)**XXX**(%%): The default frequency band
	585	+10.Send AT command button
480	480
481		-* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
482		-* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
483		-* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
484		-* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
485		-* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
486		-* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
487		-* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
488		-* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
489		-* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	587	+11.Node log box
490	490
491		-= 4.  Reference =
	589	+12.clear log button
492	492
	591	+13.exit button
493	493
494		-* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
495		-* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
	593	+LA66 USB LoRaWAN Module not connected
496	496
497		-= 5.  FCC Statement =
	595	+[[image:image-20220723110520-5.png||height="903" width="677"]]
498	498
	597	+Connect LA66 USB LoRaWAN Module
499	499
500		-(% style="color:red" %)**FCC Caution:**
	599	+[[image:image-20220723110626-6.png||height="906" width="680"]]
501	501
502		-Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	601	+=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
503	503
504		-This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
	603	+1.Register LA66 USB LoRaWAN Module to TTNV3
505	505
	605	+[[image:image-20220723134549-8.png]]
506	506
507		-(% style="color:red" %)**IMPORTANT NOTE: **
	607	+2.Open Node-RED,And import the JSON file to generate the flow
508	508
509		-(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	609	+Sample JSON file please go to this link to download：放置JSON文件的链接
510	510
511		-—Reorient or relocate the receiving antenna.
	611	+For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
512	512
513		-—Increase the separation between the equipment and receiver.
	613	+The following is the positioning effect map
514	514
515		-—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	615	+[[image:image-20220723144339-1.png]]
516	516
517		-—Consult the dealer or an experienced radio/TV technician for help.
	617	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
518	518
	619	+The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
519	519
520		-(% style="color:red" %)**FCC Radiation Exposure Statement: **
	621	+Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
521	521
522		-This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
	623	+[[image:image-20220723150132-2.png]]
523	523
524		-
	625	+
	626	+= 4.  Order Info =
	627	+
	628	+
	629	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	630	+
	631	+
	632	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	633	+
	634	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	635	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	636	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	637	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	638	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	639	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	640	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	641	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	642	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	643	+
	644	+= 5.  Reference =
	645	+
	646	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

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