Wiki source code of LA66 USB LoRaWAN Adapter User Manual

Last modified by Mengting Qiu on 2024/04/01 17:22

version	line-number	content
134.2	1
87.2	2
87.13	3	Table of Contents:
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1.1	5	{{toc/}}
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	7
6.1	8
87.2	9
	10
146.5	11	= 1. LA66 USB LoRaWAN Adapter =
87.2	12
146.5	13	== 1.1 Overview ==
88.2	14
100.2	15
169.1	16	[[image:image-20220715001142-3.png\|\|height="194" width="294"]][[image:image-20240101111030-2.png]]
93.1	17
100.3	18
100.5	19	(((
91.1	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.
100.5	21	)))
52.1	22
100.5	23	(((
101.4	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.
100.5	25	)))
73.1	26
100.5	27	(((
90.1	28	Each LA66 module includes a (% style="color:blue" %)world-unique OTAA key(%%) for LoRaWAN registration.
100.5	29	)))
90.1	30
100.5	31	(((
90.1	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.
100.5	33	)))
90.1	34
100.5	35	(((
90.1	36	LA66 is equipped with (% style="color:blue" %)TCXO crystal(%%) which ensures the module can achieve stable performance in extreme temperatures.
100.5	37	)))
90.1	38
	39
146.5	40	== 1.2 Features ==
73.1	41
137.6	42
73.1	43	* LoRaWAN USB adapter base on LA66 LoRaWAN module
	44	* Ultra-long RF range
161.3	45	* Support LoRaWAN v1.0.3 protocol
73.1	46	* Support peer-to-peer protocol
	47	* TCXO crystal to ensure RF performance on low temperature
	48	* Spring RF antenna
	49	* Available in different frequency LoRaWAN frequency bands.
	50	* World-wide unique OTAA keys.
	51	* AT Command via UART-TTL interface
	52	* Firmware upgradable via UART interface
93.3	53	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
73.1	54
146.5	55	== 1.3 Specification ==
	56
	57
73.1	58	* CPU: 32-bit 48 MHz
	59	* Flash: 256KB
	60	* RAM: 64KB
	61	* Input Power Range: 5v
	62	* Frequency Range: 150 MHz ~~ 960 MHz
	63	* Maximum Power +22 dBm constant RF output
	64	* High sensitivity: -148 dBm
	65	* Temperature:
	66	** Storage: -55 ~~ +125℃
	67	** Operating: -40 ~~ +85℃
	68	* Humidity:
	69	** Storage: 5 ~~ 95% (Non-Condensing)
	70	** Operating: 10 ~~ 95% (Non-Condensing)
	71	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	72	* LoRa Rx current: <9 mA
	73
146.5	74	== 1.4 Pin Mapping & LED ==
	75
149.7	76
143.1	77	[[image:image-20220813183239-3.png\|\|height="526" width="662"]]
7.1	78
87.3	79
146.5	80	== 1.5 Example: Send & Get Messages via LoRaWAN in PC ==
87.3	81
146.5	82
100.5	83	(((
78.2	84	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
100.5	85	)))
58.1	86
157.2	87	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN adapter to PC
87.3	88
106.1	89	[[image:image-20220723100027-1.png]]
78.2	90
87.3	91
58.1	92	Open the serial port tool
	93
	94	[[image:image-20220602161617-8.png]]
	95
157.2	96
78.2	97	[[image:image-20220602161718-9.png\|\|height="457" width="800"]]
58.1	98
	99
157.2	100	(% style="color:blue" %)2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.
87.3	101
78.2	102	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
58.1	103
78.2	104	[[image:image-20220602161935-10.png\|\|height="498" width="800"]]
58.1	105
78.2	106
157.2	107	(% style="color:blue" %)3. See Uplink Command
78.2	108
87.3	109	Command format: (% style="color:#4472c4" %) AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	110
58.1	111	example: AT+SENDB=01,02,8,05820802581ea0a5
	112
78.2	113	[[image:image-20220602162157-11.png\|\|height="497" width="800"]]
58.1	114
	115
157.2	116	(% style="color:blue" %)4. Check to see if TTN received the message
87.3	117
149.2	118	[[image:image-20220817093644-1.png]]
78.2	119
149.2	120
154.1	121	== 1.6 Example: How to join helium ==
	122
	123
157.2	124	(% style="color:blue" %)1. Create a new device.
	125
154.1	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"]]
	127
	128
157.2	129	(% style="color:blue" %)2. Save the device after filling in the necessary information.
	130
154.1	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"]]
	132
	133
	134	(% style="color:blue" %)3. Use AT commands.
	135
	136	[[image:image-20220909151441-1.jpeg\|\|height="695" width="521"]]
	137
	138
157.2	139	(% style="color:blue" %)4. Use the serial port tool
	140
154.1	141	[[image:image-20220909151517-2.png\|\|height="543" width="708"]]
	142
	143
157.2	144	(% style="color:blue" %)5. Use command AT+CFG to get device configuration
	145
154.1	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"]]
	147
	148
	149	(% style="color:blue" %)6. Network successfully.
	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"]]
	152
	153
	154	(% style="color:blue" %)7. Send uplink using command
	155
157.2	156	[[image:image-20220912085244-1.png]]
	157
	158	[[image:image-20220912085307-2.png]]
	159
	160
154.1	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"]]
	162
	163
155.1	164	== 1.7 Example: Send PC's CPU/RAM usage to TTN via python ==
81.1	165
87.3	166
87.1	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]]
81.1	168
106.1	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]])
81.1	170
149.6	171
87.3	172	(% style="color:red" %)Preconditions:
81.1	173
87.3	174	(% style="color:red" %)1. LA66 USB LoRaWAN Adapter works fine
81.1	175
87.3	176	(% style="color:red" %)2. LA66 USB LoRaWAN Adapter is registered with TTN
81.1	177
	178
87.3	179	(% style="color:blue" %)Steps for usage:
	180
	181	(% style="color:blue" %)1.(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	182
158.1	183	(% style="color:blue" %)2.(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
87.3	184
158.1	185	(% style="color:blue" %)3.(%%) Run the python script in PC and see the TTN
149.6	186
158.1	187
81.1	188	[[image:image-20220602115852-3.png\|\|height="450" width="1187"]]
	189
	190
155.1	191	== 1.8 Example: Send & Get Messages via LoRaWAN in RPi ==
11.1	192
87.4	193
79.1	194	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
12.1	195
157.2	196	(% style="color:blue" %)1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi
87.4	197
106.1	198	[[image:image-20220723100439-2.png]]
43.1	199
52.1	200
157.2	201	(% style="color:blue" %)2. Install Minicom in RPi.
87.4	202
79.1	203	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
52.1	204
87.4	205	(% style="background-color:yellow" %)apt update
52.1	206
87.4	207	(% style="background-color:yellow" %)apt install minicom
52.1	208
79.1	209	Use minicom to connect to the RPI's terminal
52.1	210
79.1	211	[[image:image-20220602153146-3.png\|\|height="439" width="500"]]
52.1	212
	213
157.2	214	(% style="color:blue" %)3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.
8.1	215
87.11	216	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	217
79.1	218	[[image:image-20220602154928-5.png\|\|height="436" width="500"]]
46.1	219
	220
157.2	221	(% style="color:blue" %)4. Send Uplink message
46.1	222
87.5	223	Format: (% style="color:#4472c4" %)AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
87.4	224
79.1	225	example: AT+SENDB=01,02,8,05820802581ea0a5
46.1	226
79.1	227	[[image:image-20220602160339-6.png\|\|height="517" width="600"]]
	228
87.4	229
79.1	230	Check to see if TTN received the message
	231
157.2	232
79.1	233	[[image:image-20220602160627-7.png\|\|height="369" width="800"]]
	234
	235
155.1	236	== 1.9 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
11.1	237
155.1	238	=== 1.9.1 Hardware and Software Connection ===
13.1	239
134.2	240
171.1	241	(% class="wikigeneratedid" id="HOverviewFF1A" %)
	242	(% style="color:blue" %)Overview：
134.2	243
134.9	244	(((
139.2	245	DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
106.1	246
139.2	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.
134.9	250	)))
111.1	251
106.1	252
134.2	253
171.1	254	(% class="wikigeneratedid" id="HHardwareConnection:" %)
	255	(% style="color:blue" %)Hardware Connection:
134.2	256
139.2	257	A USB to Type-C adapter is needed to connect to a Mobile phone.
134.2	258
174.2	259	(% style="color:red" %)Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
106.1	260
139.2	261	[[image:image-20220813174353-2.png\|\|height="360" width="313"]]
106.1	262
	263
171.1	264	(% class="wikigeneratedid" id="HDownloadandInstallApp:" %)
	265	(% style="color:blue" %)Download and Install App:
134.2	266
139.2	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
	269	[[image:image-20220813173738-1.png]]
	270
	271
171.1	272	(% class="wikigeneratedid" id="HUseofAPP:" %)
	273	(% style="color:blue" %)Use of APP:
134.2	274
169.2	275	Function and page introduction:
149.6	276
174.2	277	[[image:image-20220723113448-7.png\|\|height="911" width="412"]]
110.1	278
157.2	279
161.2	280	(% style="color:blue" %)Block Explain:
134.9	281
139.2	282	1. Display LA66 USB LoRaWAN Module connection status
110.1	283
139.2	284	2. Check and reconnect
110.1	285
139.2	286	3. Turn send timestamps on or off
110.1	287
139.2	288	4. Display LoRaWan connection status
110.1	289
139.2	290	5. Check LoRaWan connection status
110.1	291
139.2	292	6. The RSSI value of the node when the ACK is received
110.1	293
139.2	294	7. Node's Signal Strength Icon
110.1	295
139.2	296	8. Configure Location Uplink Interval
110.1	297
139.2	298	9. AT command input box
110.1	299
139.2	300	10. Send Button: Send input box info to LA66 USB Adapter
110.1	301
139.2	302	11. Output Log from LA66 USB adapter
110.1	303
139.2	304	12. clear log button
110.1	305
139.2	306	13. exit button
110.1	307
134.2	308
169.2	309	LA66 USB LoRaWAN Module not connected:
149.6	310
139.2	311	[[image:image-20220723110520-5.png\|\|height="677" width="508"]]
106.1	312
134.2	313
169.2	314	Connect LA66 USB LoRaWAN Module:
134.2	315
139.2	316	[[image:image-20220723110626-6.png\|\|height="681" width="511"]]
110.1	317
134.2	318
155.1	319	=== 1.9.2 Send data to TTNv3 and plot location info in Node-Red ===
111.1	320
	321
134.8	322	(% style="color:blue" %)1. Register LA66 USB LoRaWAN Module to TTNV3
134.2	323
113.1	324	[[image:image-20220723134549-8.png]]
	325
	326
134.8	327	(% style="color:blue" %)2. Open Node-RED,And import the JSON file to generate the flow
134.2	328
149.6	329
139.2	330	Sample JSON file please go to [[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]] to download.
117.1	331
139.2	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/]]
113.1	333
139.2	334	After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
117.1	335
151.1	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]]
139.2	337
151.1	338
139.2	339	Example output in NodeRed is as below:
	340
117.1	341	[[image:image-20220723144339-1.png]]
	342
134.2	343
155.1	344	== 1.10 Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
73.1	345
170.1	346	=== 1.10.1 LA66V1 Update method ===
134.2	347
174.2	348
157.2	349	The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
73.1	350
157.2	351	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).
73.1	352
173.1	353	Firmware download:
	354
	355	[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
	356
159.2	357	(% style="color:red" %)Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.
149.4	358
171.1	359	[[image:image-20220723150132-2.png\|\|height="514" width="506"]]
73.1	360
119.1	361
177.1	362	(% 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.
176.1	363
177.1	364	(% 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.
	365
176.1	366	[[image:image-20240401171313-1.jpeg\|\|height="521" width="792"]]
	367
	368
171.1	369	(% class="wikigeneratedid" id="HOpentheUpgradetool28TremoProgrammer29inPCandUpgrade" %)
	370	(% style="color:blue" %)Open the Upgrade tool (Tremo Programmer) in PC and Upgrade
161.2	371
160.1	372	1. Software download link: [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]
	373
	374	[[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"]]
	375
171.1	376	[[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"]]
160.1	377
161.2	378
160.1	379	2. Select the COM port corresponding to USB TTL
	380
171.1	381	[[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"]]
160.1	382
161.2	383
160.1	384	3. Select the bin file to burn
	385
171.1	386	[[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"]]
160.1	387
171.1	388	[[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"]]
160.1	389
171.1	390	[[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"]]
160.1	391
161.2	392
160.1	393	4. Click to start the download
	394
171.1	395	[[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"]]
160.1	396
161.2	397
160.1	398	5. Check update process
	399
171.1	400	[[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"]]
160.1	401
161.2	402
160.1	403	The following picture shows that the burning is successful
	404
171.1	405	[[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"]]
160.1	406
174.2	407
171.1	408	=== 1.10.2 LA66V2 Update method ===
	409
174.1	410
	411	Firmware download（Please select withbootloader version）:
	412
	413	[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
	414
	415
	416	Firmware update method:
	417
171.1	418	Please refer to this link
	419
	420	[[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]]
	421
	422
146.5	423	= 2. FAQ =
73.1	424
157.4	425	== 2.1 How to Compile Source Code for LA66? ==
137.2	426
	427
146.4	428	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]]
137.2	429
	430
157.3	431	== 2.2 Where to find Peer-to-Peer firmware of LA66? ==
	432
	433
	434	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]]
	435
	436
161.1	437	== 2.3 My device keeps showing invalid credentials, the device goes into low power mode ==
	438
	439
161.2	440	Set the AT+COMMAND: (% style="color:blue" %)AT+UUID=666666666666
161.1	441
164.1	442
169.2	443	== 2.4 How to use external antenna via ipex connector? ==
	444
	445
164.1	446	You need to remove the spring antenna first, and also remove the resistor and capacitor.
	447	Connect external antenna.
	448
	449	[[image:image-20231129155939-1.png\|\|height="529" width="397"]]
	450
169.2	451
146.5	452	= 3. Order Info =
137.2	453
	454
146.5	455	Part Number: (% style="color:blue" %)LA66-USB-LoRaWAN-Adapter-XXX
87.4	456
87.5	457	(% style="color:blue" %)XXX(%%): The default frequency band
86.1	458
87.5	459	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	460	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	461	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	462	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	463	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	464	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	465	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	466	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	467	* (% style="color:red" %)PP(%%): Peer to Peer LoRa Protocol
73.1	468
146.5	469	= 4. Reference =
	470
	471
	472	* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
150.1	473	* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
149.6	474
157.5	475	= 5. FCC Statement =
	476
	477
	478	(% style="color:red" %)FCC Caution:
	479
	480	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	481
	482	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.
	483
	484
	485	(% style="color:red" %)IMPORTANT NOTE:
	486
	487	(% 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:
	488
	489	—Reorient or relocate the receiving antenna.
	490
	491	—Increase the separation between the equipment and receiver.
	492
	493	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	494
	495	—Consult the dealer or an experienced radio/TV technician for help.
	496
	497
	498	(% style="color:red" %)FCC Radiation Exposure Statement:
	499
	500	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.
169.2	501
	502

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