Summary

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Details

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Title

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1		-LA66 LoRaWAN Module
	1	+LA66 LoRaWAN Shield User Manual

Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

...	...	@@ -6,41 +6,59 @@
6	6
7	7
8	8
9		-= 1.  LA66 LoRaWAN Module =
10	10
	10	+= 1.  LA66 LoRaWAN Shield =
11	11
12		-== 1.1  What is LA66 LoRaWAN Module ==
13	13
	13	+== 1.1  Overview ==
14	14
	15	+
15	15	(((
16		-[[image:image-20220715000242-1.png||height="110" width="132"]]
	17	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	18	+)))
17	17
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.
	20	+(((
	21	+
19	19	)))
20	20
21	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.
	25	+(% 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.
23	23	)))
24	24
25	25	(((
	29	+(((
	30	+(% 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.
	31	+)))
	32	+)))
	33	+
	34	+(((
	35	+(((
26	26	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
27	27	)))
	38	+)))
28	28
29	29	(((
	41	+(((
30	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	31	)))
	44	+)))
32	32
33	33	(((
	47	+(((
34	34	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
35	35	)))
	50	+)))
36	36
37	37
	53	+
38	38	== 1.2  Features ==
39	39
	56	+
	57	+* Arduino Shield base on LA66 LoRaWAN module
40	40	* Support LoRaWAN v1.0.4 protocol
41	41	* Support peer-to-peer protocol
42	42	* TCXO crystal to ensure RF performance on low temperature
43		-* SMD Antenna pad and i-pex antenna connector
	61	+* SMA connector
44	44	* Available in different frequency LoRaWAN frequency bands.
45	45	* World-wide unique OTAA keys.
46	46	* AT Command via UART-TTL interface
...	...	@@ -47,8 +47,12 @@
47	47	* Firmware upgradable via UART interface
48	48	* Ultra-long RF range
49	49
	68	+
	69	+
	70	+
50	50	== 1.3  Specification ==
51	51
	73	+
52	52	* CPU: 32-bit 48 MHz
53	53	* Flash: 256KB
54	54	* RAM: 64KB
...	...	@@ -67,112 +67,111 @@
67	67	* LoRa Rx current: <9 mA
68	68	* I/O Voltage: 3.3v
69	69
70		-== 1.4  AT Command ==
71	71
72		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
73	73
74	74
75		-== 1.5  Dimension ==
	95	+== 1.4  Pin Mapping & LED ==
76	76
77		-[[image:image-20220517072526-1.png]]
78	78
	98	+[[image:image-20220814101457-1.png||height="553" width="761"]]
79	79
	100	+~1. The LED lights up red when there is an upstream data packet
	101	+2. When the network is successfully connected, the green light will be on for 5 seconds
	102	+3. Purple light on when receiving downlink data packets
80	80
81		-== 1.6  Pin Mapping ==
82	82
83	83
84		-[[image:image-20220523101537-1.png]]
	106	+== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
85	85
86	86
	109	+**Show connection diagram：**
87	87
88		-== 1.7  Land Pattern ==
89	89
90		-[[image:image-20220517072821-2.png]]
	112	+[[image:image-20220723170210-2.png||height="908" width="681"]]
91	91
92	92
93	93
94		-= 2.  LA66 LoRaWAN Shield =
	116	+(% style="color:blue" %)**1.  open Arduino IDE**
95	95
96	96
97		-== 2.1  Overview ==
	119	+[[image:image-20220723170545-4.png]]
98	98
99	99
100		-[[image:image-20220715000826-2.png||height="386" width="449"]]
101	101
	123	+(% style="color:blue" %)**2.  Open project**
102	102
103		-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.
104	104
105		-(((
106		-(% 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.
107		-)))
	126	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
108	108
109		-(((
110		-Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
111		-)))
	128	+[[image:image-20220726135239-1.png]]
112	112
113		-(((
114		-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.
115		-)))
116	116
117		-(((
118		-LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
119		-)))
	131	+(% style="color:blue" %)**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**
120	120
	133	+[[image:image-20220726135356-2.png]]
121	121
122		-== 2.2  Features ==
123	123
124		-* Arduino Shield base on LA66 LoRaWAN module
125		-* Support LoRaWAN v1.0.4 protocol
126		-* Support peer-to-peer protocol
127		-* TCXO crystal to ensure RF performance on low temperature
128		-* SMA connector
129		-* Available in different frequency LoRaWAN frequency bands.
130		-* World-wide unique OTAA keys.
131		-* AT Command via UART-TTL interface
132		-* Firmware upgradable via UART interface
133		-* Ultra-long RF range
	136	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
134	134
135		-== 2.3  Specification ==
136	136
137		-* CPU: 32-bit 48 MHz
138		-* Flash: 256KB
139		-* RAM: 64KB
140		-* Input Power Range: 1.8v ~~ 3.7v
141		-* Power Consumption: < 4uA.
142		-* Frequency Range: 150 MHz ~~ 960 MHz
143		-* Maximum Power +22 dBm constant RF output
144		-* High sensitivity: -148 dBm
145		-* Temperature:
146		-** Storage: -55 ~~ +125℃
147		-** Operating: -40 ~~ +85℃
148		-* Humidity:
149		-** Storage: 5 ~~ 95% (Non-Condensing)
150		-** Operating: 10 ~~ 95% (Non-Condensing)
151		-* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
152		-* LoRa Rx current: <9 mA
153		-* I/O Voltage: 3.3v
	139	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
154	154
155		-== 2.4  Pin Mapping & LED ==
156	156
157	157
	143	+== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
158	158
159		-== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
160	160
	146	+(% style="color:blue" %)**1.  Open project**
161	161
162	162
163		-== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	149	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
164	164
165	165
	152	+[[image:image-20220723172502-8.png]]
166	166
167		-== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
168	168
169	169
	156	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
170	170
171		-== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
172	172
	159	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
173	173
174		-=== 2.8.1  Items needed for update ===
175	175
	162	+
	163	+== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	164	+
	165	+
	166	+(% style="color:blue" %)**1.  Open project**
	167	+
	168	+
	169	+Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
	170	+
	171	+
	172	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	173	+
	174	+
	175	+
	176	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	177	+
	178	+
	179	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	180	+
	181	+
	182	+
	183	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	184	+
	185	+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/]]
	186	+
	187	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	188	+
	189	+
	190	+
	191	+== 1.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	192	+
	193	+
	194	+=== 1.8.1  Items needed for update ===
	195	+
	196	+
176	176	1. LA66 LoRaWAN Shield
177	177	1. Arduino
178	178	1. USB TO TTL Adapter
...	...	@@ -180,9 +180,10 @@
180	180	[[image:image-20220602100052-2.png||height="385" width="600"]]
181	181
182	182
183		-=== 2.8.2  Connection ===
184	184
	205	+=== 1.8.2  Connection ===
185	185
	207	+
186	186	[[image:image-20220602101311-3.png||height="276" width="600"]]
187	187
188	188
...	...	@@ -205,10 +205,11 @@
205	205	[[image:image-20220602102240-4.png||height="304" width="600"]]
206	206
207	207
	230	+
208	208	=== 2.8.3  Upgrade steps ===
209	209
210	210
211		-==== 1.  Switch SW1 to put in ISP position ====
	234	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
212	212
213	213
214	214	[[image:image-20220602102824-5.png||height="306" width="600"]]
...	...	@@ -215,7 +215,7 @@
215	215
216	216
217	217
218		-==== 2.  Press the RST switch once ====
	241	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
219	219
220	220
221	221	[[image:image-20220602104701-12.png||height="285" width="600"]]
...	...	@@ -222,7 +222,7 @@
222	222
223	223
224	224
225		-==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	248	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
226	226
227	227
228	228	(((
...	...	@@ -286,21 +286,35 @@
286	286
287	287	== 3.1  Overview ==
288	288
	312	+
289	289	[[image:image-20220715001142-3.png||height="145" width="220"]]
290	290
	315	+
	316	+(((
291	291	(% 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.
	318	+)))
292	292
293		-(% 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.
	320	+(((
	321	+(% 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.
	322	+)))
294	294
	324	+(((
295	295	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	326	+)))
296	296
	328	+(((
297	297	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.
	330	+)))
298	298
	332	+(((
299	299	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	334	+)))
300	300
301	301
	337	+
302	302	== 3.2  Features ==
303	303
	340	+
304	304	* LoRaWAN USB adapter base on LA66 LoRaWAN module
305	305	* Ultra-long RF range
306	306	* Support LoRaWAN v1.0.4 protocol
...	...	@@ -311,9 +311,11 @@
311	311	* World-wide unique OTAA keys.
312	312	* AT Command via UART-TTL interface
313	313	* Firmware upgradable via UART interface
	351	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
314	314
315	315	== 3.3  Specification ==
316	316
	355	+
317	317	* CPU: 32-bit 48 MHz
318	318	* Flash: 256KB
319	319	* RAM: 64KB
...	...	@@ -332,18 +332,21 @@
332	332
333	333	== 3.4  Pin Mapping & LED ==
334	334
	374	+[[image:image-20220813183239-3.png||height="526" width="662"]]
335	335
336	336
337	337	== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
338	338
339	339
	380	+(((
340	340	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	382	+)))
341	341
342	342
343	343	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
344	344
345	345
346		-[[image:image-20220602171217-1.png||height="538" width="800"]]
	388	+[[image:image-20220723100027-1.png]]
347	347
348	348
349	349	Open the serial port tool
...	...	@@ -384,6 +384,7 @@
384	384
385	385	**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]]
386	386
	429	+(**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]])
387	387
388	388	(% style="color:red" %)**Preconditions:**
389	389
...	...	@@ -411,7 +411,7 @@
411	411
412	412	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
413	413
414		-[[image:image-20220602171233-2.png||height="538" width="800"]]
	457	+[[image:image-20220723100439-2.png]]
415	415
416	416
417	417
...	...	@@ -456,18 +456,136 @@
456	456
457	457
458	458
459		-== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	502	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
460	460
461	461
	505	+=== 3.8.1  Hardware and Software Connection ===
462	462
	507	+
	508	+==== (% style="color:blue" %)**Overview：**(%%) ====
	509	+
	510	+
	511	+(((
	512	+DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
	513	+
	514	+* Send real-time location information of mobile phone to LoRaWAN network.
	515	+* Check LoRaWAN network signal strengh.
	516	+* Manually send messages to LoRaWAN network.
	517	+)))
	518	+
	519	+
	520	+
	521	+==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
	522	+
	523	+A USB to Type-C adapter is needed to connect to a Mobile phone.
	524	+
	525	+Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
	526	+
	527	+[[image:image-20220813174353-2.png||height="360" width="313"]]
	528	+
	529	+
	530	+==== (% style="color:blue" %)**Download and Install App:**(%%) ====
	531	+
	532	+[[(% 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)
	533	+
	534	+[[image:image-20220813173738-1.png]]
	535	+
	536	+
	537	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	538	+
	539	+Function and page introduction
	540	+
	541	+[[image:image-20220723113448-7.png||height="995" width="450"]]
	542	+
	543	+**Block Explain:**
	544	+
	545	+1.  Display LA66 USB LoRaWAN Module connection status
	546	+
	547	+2.  Check and reconnect
	548	+
	549	+3.  Turn send timestamps on or off
	550	+
	551	+4.  Display LoRaWan connection status
	552	+
	553	+5.  Check LoRaWan connection status
	554	+
	555	+6.  The RSSI value of the node when the ACK is received
	556	+
	557	+7.  Node's Signal Strength Icon
	558	+
	559	+8.  Configure Location Uplink Interval
	560	+
	561	+9.  AT command input box
	562	+
	563	+10.  Send Button:  Send input box info to LA66 USB Adapter
	564	+
	565	+11.  Output Log from LA66 USB adapter
	566	+
	567	+12.  clear log button
	568	+
	569	+13.  exit button
	570	+
	571	+
	572	+LA66 USB LoRaWAN Module not connected
	573	+
	574	+[[image:image-20220723110520-5.png||height="677" width="508"]]
	575	+
	576	+
	577	+
	578	+Connect LA66 USB LoRaWAN Module
	579	+
	580	+[[image:image-20220723110626-6.png||height="681" width="511"]]
	581	+
	582	+
	583	+
	584	+=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
	585	+
	586	+
	587	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	588	+
	589	+[[image:image-20220723134549-8.png]]
	590	+
	591	+
	592	+
	593	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	594	+
	595	+Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
	596	+
	597	+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/]]
	598	+
	599	+After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
	600	+
	601	+
	602	+Example output in NodeRed is as below:
	603	+
	604	+[[image:image-20220723144339-1.png]]
	605	+
	606	+
	607	+
463	463	== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
464	464
465	465
	611	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
466	466
	613	+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)
467	467
468		-= 4.  Order Info =
	615	+[[image:image-20220723150132-2.png]]
469	469
470	470
	618	+
	619	+= 4.  FAQ =
	620	+
	621	+
	622	+== 4.1  How to Compile Source Code for LA66? ==
	623	+
	624	+
	625	+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]]
	626	+
	627	+
	628	+
	629	+= 5.  Order Info =
	630	+
	631	+
471	471	**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
472	472
473	473
...	...	@@ -483,8 +483,7 @@
483	483	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
484	484	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
485	485
486		-= 5.  Reference =
	647	+= 6.  Reference =
487	487
488		-* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
489	489
490		-
	650	+* 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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