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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

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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"]]
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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.
	293	+[[image:image-20220715001142-3.png||height="145" width="220"]]
296	296
297		-(((
	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.
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298	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.
299		-)))
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302	302	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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306	306	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.
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310	310	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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313	313
314	314	== 3.2  Features ==
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323	323	* World-wide unique OTAA keys.
324	324	* AT Command via UART-TTL interface
325	325	* Firmware upgradable via UART interface
	318	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
326	326
327	327
328	328	== 3.3  Specification ==
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497	497	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
498	498	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
499	499
500		-
501	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]]

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	1	+XWiki.Edwin

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