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47	47	* Firmware upgradable via UART interface
48	48	* Ultra-long RF range
49	49
	50	+
50	50	== 1.3  Specification ==
51	51
52	52	* CPU: 32-bit 48 MHz
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67	67	* LoRa Rx current: <9 mA
68	68	* I/O Voltage: 3.3v
69	69
	71	+
70	70	== 1.4  AT Command ==
71	71
72	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.
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96	96
97	97	== 2.1  Overview ==
98	98
99		-
100		-[[image:image-20220715000826-2.png||height="386" width="449"]]
101		-
102		-
103	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		-)))
108	108
109		-(((
110		-Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
111		-)))
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		-
117		-(((
118		-LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
119		-)))
120		-
121		-
122	122	== 2.2  Features ==
123	123
124	124	* Arduino Shield base on LA66 LoRaWAN module
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132	132	* Firmware upgradable via UART interface
133	133	* Ultra-long RF range
134	134
	117	+
135	135	== 2.3  Specification ==
136	136
137	137	* CPU: 32-bit 48 MHz
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152	152	* LoRa Rx current: <9 mA
153	153	* I/O Voltage: 3.3v
154	154
	138	+
155	155	== 2.4  Pin Mapping & LED ==
156	156
157	157
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178	178	1. USB TO TTL Adapter
179	179
180	180
	165	+
181	181	[[image:image-20220602100052-2.png||height="385" width="600"]]
182	182
183	183
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287	287
288	288	== 3.1  Overview ==
289	289
290		-(% 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.
	275	+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.
291	291
292		-(% 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.
293	293
294		-Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
295		-
296		-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.
297		-
298		-LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
299		-
300		-
301	301	== 3.2  Features ==
302	302
303	303	* LoRaWAN USB adapter base on LA66 LoRaWAN module
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311	311	* AT Command via UART-TTL interface
312	312	* Firmware upgradable via UART interface
313	313
	291	+
314	314	== 3.3  Specification ==
315	315
316	316	* CPU: 32-bit 48 MHz
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329	329	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
330	330	* LoRa Rx current: <9 mA
331	331
	310	+
332	332	== 3.4  Pin Mapping & LED ==
333	333
334	334
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482	482	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
483	483	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
484	484
	464	+
485	485	= 5.  Reference =
486	486
487	487	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
488	488
489		-