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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+
	2	+
	3	+**Table of Contents:**
	4	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= LA66 LoRaWAN Module =
6	6
7		-== What is LA66 LoRaWAN Module ==
8	8
9		-**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 LoRa 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 program, create and connect your things everywhere.
	9	+= 1.  LA66 LoRaWAN Module =
10	10
11		-**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12	12
13		-**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
	12	+== 1.1  What is LA66 LoRaWAN Module ==
14	14
15	15
	15	+(((
	16	+[[image:image-20220715000242-1.png||height="110" width="132"]]
16	16
17		-== Specification ==
	18	+(% 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.
	19	+)))
18	18
19		-[[image:image-20220517072526-1.png]]
	21	+(((
	22	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
	23	+)))
20	20
21		-Input Power Range: 1.8v ~~ 3.7v
	25	+(((
	26	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	27	+)))
22	22
23		-Power Consumption: < 4uA.
	29	+(((
	30	+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.
	31	+)))
24	24
25		-Frequency Range: 150 MHz ~~ 960 MHz
	33	+(((
	34	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	35	+)))
26	26
27		-Maximum Power +22 dBm constant RF output
28	28
29		-High sensitivity: -148 dBm
	38	+== 1.2  Features ==
30	30
31		-Temperature:
	40	+* Support LoRaWAN v1.0.4 protocol
	41	+* Support peer-to-peer protocol
	42	+* TCXO crystal to ensure RF performance on low temperature
	43	+* SMD Antenna pad and i-pex antenna connector
	44	+* Available in different frequency LoRaWAN frequency bands.
	45	+* World-wide unique OTAA keys.
	46	+* AT Command via UART-TTL interface
	47	+* Firmware upgradable via UART interface
	48	+* Ultra-long RF range
32	32
33		-* Storage: -55 ~~ +125℃
34		-* Operating: -40 ~~ +85℃
35	35
36		-Humidity:
37	37
38		-* Storage: 5 ~~ 95% (Non-Condensing)
39		-* Operating: 10 ~~ 95% (Non-Condensing)
	52	+== 1.3  Specification ==
40	40
41		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	54	+* CPU: 32-bit 48 MHz
	55	+* Flash: 256KB
	56	+* RAM: 64KB
	57	+* Input Power Range: 1.8v ~~ 3.7v
	58	+* Power Consumption: < 4uA.
	59	+* Frequency Range: 150 MHz ~~ 960 MHz
	60	+* Maximum Power +22 dBm constant RF output
	61	+* High sensitivity: -148 dBm
	62	+* Temperature:
	63	+** Storage: -55 ~~ +125℃
	64	+** Operating: -40 ~~ +85℃
	65	+* Humidity:
	66	+** Storage: 5 ~~ 95% (Non-Condensing)
	67	+** Operating: 10 ~~ 95% (Non-Condensing)
	68	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	69	+* LoRa Rx current: <9 mA
	70	+* I/O Voltage: 3.3v
42	42
43		-LoRa Rx current: <9 mA
44	44
45		-I/O Voltage: 3.3v
46	46
47	47
48		-== AT Command ==
	75	+== 1.4  AT Command ==
49	49
	77	+
50	50	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51	51
52	52
53		-== Pin Mapping ==
	81	+== 1.5  Dimension ==
54	54
	83	+[[image:image-20220718094750-3.png]]
	84	+
	85	+
	86	+
	87	+
	88	+== 1.6  Pin Mapping ==
	89	+
	90	+
55	55	[[image:image-20220523101537-1.png]]
56	56
57		-== Land Pattern ==
58	58
	94	+
	95	+== 1.7  Land Pattern ==
	96	+
59	59	[[image:image-20220517072821-2.png]]
60	60
61	61
62		-== Part Number ==
63	63
64		-Part Number: **LA66-XXX**
	101	+= 2.  LA66 LoRaWAN Shield =
65	65
66		-**XX**: The default frequency band
67	67
68		-* **AS923**: LoRaWAN AS923 band
69		-* **AU915**: LoRaWAN AU915 band
70		-* **EU433**: LoRaWAN EU433 band
71		-* **EU868**: LoRaWAN EU868 band
72		-* **KR920**: LoRaWAN KR920 band
73		-* **US915**: LoRaWAN US915 band
74		-* **IN865**: LoRaWAN IN865 band
75		-* **CN470**: LoRaWAN CN470 band
	104	+== 2.1  Overview ==
76	76
77		-= LA66 LoRaWAN Shield =
78	78
79		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	107	+[[image:image-20220715000826-2.png||height="386" width="449"]]
80	80
81		-== Pin Mapping & LED ==
82	82
83		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	110	+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.
84	84
85		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	112	+(((
	113	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
	114	+)))
86	86
87		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	116	+(((
	117	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	118	+)))
88	88
89		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	120	+(((
	121	+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.
	122	+)))
90	90
91		-=== what needs to be used ===
	124	+(((
	125	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	126	+)))
92	92
93		-1.LA66 LoRaWAN Shield that needs to be upgraded
94	94
95		-2.Arduino
	129	+== 2.2  Features ==
96	96
97		-3.USB TO TTL
	131	+* Arduino Shield base on LA66 LoRaWAN module
	132	+* Support LoRaWAN v1.0.4 protocol
	133	+* Support peer-to-peer protocol
	134	+* TCXO crystal to ensure RF performance on low temperature
	135	+* SMA connector
	136	+* Available in different frequency LoRaWAN frequency bands.
	137	+* World-wide unique OTAA keys.
	138	+* AT Command via UART-TTL interface
	139	+* Firmware upgradable via UART interface
	140	+* Ultra-long RF range
98	98
99		-[[image:image-20220602100052-2.png]]
	142	+== 2.3  Specification ==
100	100
101		-=== Wiring Schematic ===
	144	+* CPU: 32-bit 48 MHz
	145	+* Flash: 256KB
	146	+* RAM: 64KB
	147	+* Input Power Range: 1.8v ~~ 3.7v
	148	+* Power Consumption: < 4uA.
	149	+* Frequency Range: 150 MHz ~~ 960 MHz
	150	+* Maximum Power +22 dBm constant RF output
	151	+* High sensitivity: -148 dBm
	152	+* Temperature:
	153	+** Storage: -55 ~~ +125℃
	154	+** Operating: -40 ~~ +85℃
	155	+* Humidity:
	156	+** Storage: 5 ~~ 95% (Non-Condensing)
	157	+** Operating: 10 ~~ 95% (Non-Condensing)
	158	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	159	+* LoRa Rx current: <9 mA
	160	+* I/O Voltage: 3.3v
102	102
103		-[[image:image-20220602101311-3.png]]
	162	+== 2.4  Pin Mapping & LED ==
104	104
105		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106	106
107		-GND  >>>>>>>>>>>>GND
108	108
109		-TXD  >>>>>>>>>>>>TXD
	166	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
110	110
111		-RXD  >>>>>>>>>>>>RXD
112	112
113		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114	114
115		-Connect to the PC after connecting the wires
	170	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
116	116
117		-[[image:image-20220602102240-4.png]]
118	118
119		-=== Upgrade steps ===
120	120
121		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	174	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
122	122
123		-[[image:image-20220602102824-5.png]]
124	124
125		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126	126
127		-[[image:image-20220602104701-12.png]]
	178	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
128	128
129		-==== Open the upgrade application software ====
130	130
131		-放个烧录软件的下载链接
	181	+=== 2.8.1  Items needed for update ===
132	132
	183	+1. LA66 LoRaWAN Shield
	184	+1. Arduino
	185	+1. USB TO TTL Adapter
	186	+
	187	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	188	+
	189	+
	190	+=== 2.8.2  Connection ===
	191	+
	192	+
	193	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	194	+
	195	+
	196	+(((
	197	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	198	+)))
	199	+
	200	+(((
	201	+(% style="background-color:yellow" %)**GND  <-> GND
	202	+TXD  <->  TXD
	203	+RXD  <->  RXD**
	204	+)))
	205	+
	206	+
	207	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	208	+
	209	+Connect USB TTL Adapter to PC after connecting the wires
	210	+
	211	+
	212	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	213	+
	214	+
	215	+=== 2.8.3  Upgrade steps ===
	216	+
	217	+
	218	+==== 1.  Switch SW1 to put in ISP position ====
	219	+
	220	+
	221	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	222	+
	223	+
	224	+
	225	+==== 2.  Press the RST switch once ====
	226	+
	227	+
	228	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	229	+
	230	+
	231	+
	232	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	233	+
	234	+
	235	+(((
	236	+(% 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/]]**
	237	+)))
	238	+
	239	+
133	133	[[image:image-20220602103227-6.png]]
134	134
	242	+
135	135	[[image:image-20220602103357-7.png]]
136	136
137		-===== Select the COM port corresponding to USB TTL =====
138	138
	246	+
	247	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	248	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	249	+
	250	+
139	139	[[image:image-20220602103844-8.png]]
140	140
141		-===== Select the bin file to burn =====
142	142
	254	+
	255	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	256	+(% style="color:blue" %)**3. Select the bin file to burn**
	257	+
	258	+
143	143	[[image:image-20220602104144-9.png]]
144	144
	261	+
145	145	[[image:image-20220602104251-10.png]]
146	146
	264	+
147	147	[[image:image-20220602104402-11.png]]
148	148
149		-===== Click to start the download =====
150	150
	268	+
	269	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	270	+(% style="color:blue" %)**4. Click to start the download**
	271	+
151	151	[[image:image-20220602104923-13.png]]
152	152
153		-===== The following figure appears to prove that the burning is in progress =====
154	154
	275	+
	276	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	277	+(% style="color:blue" %)**5. Check update process**
	278	+
	279	+
155	155	[[image:image-20220602104948-14.png]]
156	156
157		-===== The following picture appears to prove that the burning is successful =====
158	158
	283	+
	284	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	285	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	286	+
159	159	[[image:image-20220602105251-15.png]]
160	160
161		-= LA66 USB LoRaWAN Adapter =
162	162
163		-LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
164	164
165		-== Pin Mapping & LED ==
	291	+= 3.  LA66 USB LoRaWAN Adapter =
166	166
167		-== Example Send & Get Messages via LoRaWAN in PC ==
168	168
169		-== Example Send & Get Messages via LoRaWAN in RPi ==
	294	+== 3.1  Overview ==
170	170
171		-=== Install USB Driver ===
	296	+[[image:image-20220715001142-3.png||height="145" width="220"]]
172	172
173		-=== Install Minicom ===
	298	+(% 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.
174	174
175		-=== Use AT Command to send an uplink message. ===
	300	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 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.
176	176
177		-=== Send CPU/RAM usage to TTN via a script. ===
	302	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
178	178
	304	+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.
179	179
180		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	306	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
181	181
182	182
183		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	309	+== 3.2  Features ==
	310	+
	311	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	312	+* Ultra-long RF range
	313	+* Support LoRaWAN v1.0.4 protocol
	314	+* Support peer-to-peer protocol
	315	+* TCXO crystal to ensure RF performance on low temperature
	316	+* Spring RF antenna
	317	+* Available in different frequency LoRaWAN frequency bands.
	318	+* World-wide unique OTAA keys.
	319	+* AT Command via UART-TTL interface
	320	+* Firmware upgradable via UART interface
	321	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	322	+
	323	+== 3.3  Specification ==
	324	+
	325	+* CPU: 32-bit 48 MHz
	326	+* Flash: 256KB
	327	+* RAM: 64KB
	328	+* Input Power Range: 5v
	329	+* Frequency Range: 150 MHz ~~ 960 MHz
	330	+* Maximum Power +22 dBm constant RF output
	331	+* High sensitivity: -148 dBm
	332	+* Temperature:
	333	+** Storage: -55 ~~ +125℃
	334	+** Operating: -40 ~~ +85℃
	335	+* Humidity:
	336	+** Storage: 5 ~~ 95% (Non-Condensing)
	337	+** Operating: 10 ~~ 95% (Non-Condensing)
	338	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	339	+* LoRa Rx current: <9 mA
	340	+
	341	+== 3.4  Pin Mapping & LED ==
	342	+
	343	+
	344	+
	345	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	346	+
	347	+
	348	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	349	+
	350	+
	351	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	352	+
	353	+
	354	+[[image:image-20220602171217-1.png||height="538" width="800"]]
	355	+
	356	+
	357	+Open the serial port tool
	358	+
	359	+[[image:image-20220602161617-8.png]]
	360	+
	361	+[[image:image-20220602161718-9.png||height="457" width="800"]]
	362	+
	363	+
	364	+
	365	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	366	+
	367	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	368	+
	369	+
	370	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	371	+
	372	+
	373	+
	374	+(% style="color:blue" %)**3. See Uplink Command**
	375	+
	376	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	377	+
	378	+example: AT+SENDB=01,02,8,05820802581ea0a5
	379	+
	380	+[[image:image-20220602162157-11.png||height="497" width="800"]]
	381	+
	382	+
	383	+
	384	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	385	+
	386	+[[image:image-20220602162331-12.png||height="420" width="800"]]
	387	+
	388	+
	389	+
	390	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	391	+
	392	+
	393	+**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]]
	394	+
	395	+
	396	+(% style="color:red" %)**Preconditions:**
	397	+
	398	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	399	+
	400	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	401	+
	402	+
	403	+
	404	+(% style="color:blue" %)**Steps for usage:**
	405	+
	406	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	407	+
	408	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	409	+
	410	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	411	+
	412	+
	413	+
	414	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	415	+
	416	+
	417	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	418	+
	419	+
	420	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	421	+
	422	+[[image:image-20220602171233-2.png||height="538" width="800"]]
	423	+
	424	+
	425	+
	426	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	427	+
	428	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	429	+
	430	+ (% style="background-color:yellow" %)**apt update**
	431	+
	432	+ (% style="background-color:yellow" %)**apt install minicom**
	433	+
	434	+
	435	+Use minicom to connect to the RPI's terminal
	436	+
	437	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	438	+
	439	+
	440	+
	441	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	442	+
	443	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	444	+
	445	+
	446	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	447	+
	448	+
	449	+
	450	+(% style="color:blue" %)**4. Send Uplink message**
	451	+
	452	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	453	+
	454	+example: AT+SENDB=01,02,8,05820802581ea0a5
	455	+
	456	+
	457	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	458	+
	459	+
	460	+
	461	+Check to see if TTN received the message
	462	+
	463	+[[image:image-20220602160627-7.png||height="369" width="800"]]
	464	+
	465	+
	466	+
	467	+== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	468	+
	469	+
	470	+
	471	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	472	+
	473	+
	474	+
	475	+
	476	+= 4.  Order Info =
	477	+
	478	+
	479	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	480	+
	481	+
	482	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	483	+
	484	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	485	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	486	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	487	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	488	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	489	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	490	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	491	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	492	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	493	+
	494	+= 5.  Reference =
	495	+
	496	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	497	+
	498	+

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