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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

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181	181	1. Arduino
182	182	1. USB TO TTL Adapter
183	183
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184	184	[[image:image-20220602100052-2.png||height="385" width="600"]]
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290	290
291	291	== 3.1  Overview ==
292	292
293		-[[image:image-20220715001142-3.png||height="145" width="220"]]
	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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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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	297	+(((
297	297	(% 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.
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299	299	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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301	301	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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303	303	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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305	305
306	306	== 3.2  Features ==
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315	315	* World-wide unique OTAA keys.
316	316	* AT Command via UART-TTL interface
317	317	* Firmware upgradable via UART interface
318		-* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
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320	320
321	321	== 3.3  Specification ==
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490	490	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
491	491	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
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	500	+
493	493	= 5.  Reference =
494	494
495	495	* 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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