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
...	...	@@ -48,8 +48,11 @@
48	48	* Ultra-long RF range
49	49
50	50
	69	+
	70	+
51	51	== 1.3  Specification ==
52	52
	73	+
53	53	* CPU: 32-bit 48 MHz
54	54	* Flash: 256KB
55	55	* RAM: 64KB
...	...	@@ -69,123 +69,118 @@
69	69	* I/O Voltage: 3.3v
70	70
71	71
72		-== 1.4  AT Command ==
73	73
74		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
75	75
	95	+== 2.4  Pin Mapping & LED ==
76	76
77		-== 1.5  Dimension ==
78	78
79		-[[image:image-20220517072526-1.png]]
	98	+[[image:image-20220814101457-1.png||height="553" width="761"]]
80	80
	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
81	81
82	82
83		-== 1.6  Pin Mapping ==
84	84
	106	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
85	85
86		-[[image:image-20220523101537-1.png]]
87	87
	109	+**Show connection diagram：**
88	88
89	89
90		-== 1.7  Land Pattern ==
	112	+[[image:image-20220723170210-2.png||height="908" width="681"]]
91	91
92		-[[image:image-20220517072821-2.png]]
93	93
94	94
	116	+(% style="color:blue" %)**1.  open Arduino IDE**
95	95
96		-= 2.  LA66 LoRaWAN Shield =
97	97
	119	+[[image:image-20220723170545-4.png]]
98	98
99		-== 2.1  Overview ==
100	100
101	101
102		-[[image:image-20220715000826-2.png||height="386" width="449"]]
	123	+(% style="color:blue" %)**2.  Open project**
103	103
104	104
105		-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	+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]]
106	106
107		-(((
108		-(% 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.
109		-)))
	128	+[[image:image-20220726135239-1.png]]
110	110
111		-(((
112		-Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
113		-)))
114	114
115		-(((
116		-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.
117		-)))
	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**
118	118
119		-(((
120		-LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
121		-)))
	133	+[[image:image-20220726135356-2.png]]
122	122
123	123
124		-== 2.2  Features ==
	136	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
125	125
126		-* Arduino Shield base on LA66 LoRaWAN module
127		-* Support LoRaWAN v1.0.4 protocol
128		-* Support peer-to-peer protocol
129		-* TCXO crystal to ensure RF performance on low temperature
130		-* SMA connector
131		-* Available in different frequency LoRaWAN frequency bands.
132		-* World-wide unique OTAA keys.
133		-* AT Command via UART-TTL interface
134		-* Firmware upgradable via UART interface
135		-* Ultra-long RF range
136	136
	139	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
137	137
138		-== 2.3  Specification ==
139	139
140		-* CPU: 32-bit 48 MHz
141		-* Flash: 256KB
142		-* RAM: 64KB
143		-* Input Power Range: 1.8v ~~ 3.7v
144		-* Power Consumption: < 4uA.
145		-* Frequency Range: 150 MHz ~~ 960 MHz
146		-* Maximum Power +22 dBm constant RF output
147		-* High sensitivity: -148 dBm
148		-* Temperature:
149		-** Storage: -55 ~~ +125℃
150		-** Operating: -40 ~~ +85℃
151		-* Humidity:
152		-** Storage: 5 ~~ 95% (Non-Condensing)
153		-** Operating: 10 ~~ 95% (Non-Condensing)
154		-* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
155		-* LoRa Rx current: <9 mA
156		-* I/O Voltage: 3.3v
157	157
	143	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
158	158
159		-== 2.4  Pin Mapping & LED ==
160	160
	146	+(% style="color:blue" %)**1.  Open project**
161	161
162	162
163		-== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	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		-== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
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		-== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
172	172
	159	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
173	173
174	174
	162	+
	163	+== 2.7  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	+
175	175	== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
176	176
177	177
178	178	=== 2.8.1  Items needed for update ===
179	179
	196	+
180	180	1. LA66 LoRaWAN Shield
181	181	1. Arduino
182	182	1. USB TO TTL Adapter
183	183
184		-
185		-
186	186	[[image:image-20220602100052-2.png||height="385" width="600"]]
187	187
188	188
	204	+
189	189	=== 2.8.2  Connection ===
190	190
191	191
...	...	@@ -211,10 +211,11 @@
211	211	[[image:image-20220602102240-4.png||height="304" width="600"]]
212	212
213	213
	230	+
214	214	=== 2.8.3  Upgrade steps ===
215	215
216	216
217		-==== 1.  Switch SW1 to put in ISP position ====
	234	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
218	218
219	219
220	220	[[image:image-20220602102824-5.png||height="306" width="600"]]
...	...	@@ -221,7 +221,7 @@
221	221
222	222
223	223
224		-==== 2.  Press the RST switch once ====
	241	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
225	225
226	226
227	227	[[image:image-20220602104701-12.png||height="285" width="600"]]
...	...	@@ -228,7 +228,7 @@
228	228
229	229
230	230
231		-==== 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(%%) ====
232	232
233	233
234	234	(((
...	...	@@ -292,13 +292,19 @@
292	292
293	293	== 3.1  Overview ==
294	294
295		-(% 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.
296	296
	313	+[[image:image-20220715001142-3.png||height="145" width="220"]]
	314	+
	315	+
297	297	(((
298		-(% 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.
	317	+(% 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.
299	299	)))
300	300
301	301	(((
	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	+)))
	323	+
	324	+(((
302	302	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
303	303	)))
304	304
...	...	@@ -311,8 +311,10 @@
311	311	)))
312	312
313	313
	337	+
314	314	== 3.2  Features ==
315	315
	340	+
316	316	* LoRaWAN USB adapter base on LA66 LoRaWAN module
317	317	* Ultra-long RF range
318	318	* Support LoRaWAN v1.0.4 protocol
...	...	@@ -323,10 +323,11 @@
323	323	* World-wide unique OTAA keys.
324	324	* AT Command via UART-TTL interface
325	325	* Firmware upgradable via UART interface
	351	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
326	326
327		-
328	328	== 3.3  Specification ==
329	329
	355	+
330	330	* CPU: 32-bit 48 MHz
331	331	* Flash: 256KB
332	332	* RAM: 64KB
...	...	@@ -343,21 +343,23 @@
343	343	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
344	344	* LoRa Rx current: <9 mA
345	345
346		-
347	347	== 3.4  Pin Mapping & LED ==
348	348
	374	+[[image:image-20220813183239-3.png||height="526" width="662"]]
349	349
350	350
351	351	== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
352	352
353	353
	380	+(((
354	354	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	382	+)))
355	355
356	356
357	357	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
358	358
359	359
360		-[[image:image-20220602171217-1.png||height="538" width="800"]]
	388	+[[image:image-20220723100027-1.png]]
361	361
362	362
363	363	Open the serial port tool
...	...	@@ -398,6 +398,7 @@
398	398
399	399	**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]]
400	400
	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]])
401	401
402	402	(% style="color:red" %)**Preconditions:**
403	403
...	...	@@ -425,7 +425,7 @@
425	425
426	426	(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
427	427
428		-[[image:image-20220602171233-2.png||height="538" width="800"]]
	457	+[[image:image-20220723100439-2.png]]
429	429
430	430
431	431
...	...	@@ -470,18 +470,136 @@
470	470
471	471
472	472
473		-== 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 ==
474	474
475	475
	505	+=== 3.8.1  Hardware and Software Connection ===
476	476
	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	+
477	477	== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
478	478
479	479
	611	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
480	480
	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)
481	481
482		-= 4.  Order Info =
	615	+[[image:image-20220723150132-2.png]]
483	483
484	484
	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	+
485	485	**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
486	486
487	487
...	...	@@ -497,9 +497,7 @@
497	497	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
498	498	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
499	499
	647	+= 6.  Reference =
500	500
501		-= 5.  Reference =
502	502
503	503	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
504		-
505		-

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