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47	47	* Firmware upgradable via UART interface
48	48	* Ultra-long RF range
49	49
50		-
51	51	== 1.3  Specification ==
52	52
53	53	* CPU: 32-bit 48 MHz
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68	68	* LoRa Rx current: <9 mA
69	69	* I/O Voltage: 3.3v
70	70
71		-
72	72	== 1.4  AT Command ==
73	73
74	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.
...	...	@@ -98,9 +98,29 @@
98	98
99	99	== 2.1  Overview ==
100	100
	99	+
	100	+[[image:image-20220715000826-2.png||height="386" width="449"]]
	101	+
	102	+
101	101	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.
102	102
	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	+)))
103	103
	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	+
104	104	== 2.2  Features ==
105	105
106	106	* Arduino Shield base on LA66 LoRaWAN module
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114	114	* Firmware upgradable via UART interface
115	115	* Ultra-long RF range
116	116
117		-
118	118	== 2.3  Specification ==
119	119
120	120	* CPU: 32-bit 48 MHz
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135	135	* LoRa Rx current: <9 mA
136	136	* I/O Voltage: 3.3v
137	137
138		-
139	139	== 2.4  Pin Mapping & LED ==
140	140
141	141
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162	162	1. USB TO TTL Adapter
163	163
164	164
165		-
166	166	[[image:image-20220602100052-2.png||height="385" width="600"]]
167	167
168	168
...	...	@@ -272,9 +272,17 @@
272	272
273	273	== 3.1  Overview ==
274	274
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.
	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.
276	276
	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.
277	277
	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	+
278	278	== 3.2  Features ==
279	279
280	280	* LoRaWAN USB adapter base on LA66 LoRaWAN module
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288	288	* AT Command via UART-TTL interface
289	289	* Firmware upgradable via UART interface
290	290
291		-
292	292	== 3.3  Specification ==
293	293
294	294	* CPU: 32-bit 48 MHz
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307	307	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
308	308	* LoRa Rx current: <9 mA
309	309
310		-
311	311	== 3.4  Pin Mapping & LED ==
312	312
313	313
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461	461	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
462	462	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
463	463
464		-
465	465	= 5.  Reference =
466	466
467	467	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
468	468
	489	+