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	3	+**Table of Contents:**
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3	3	{{toc/}}
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10	10	== 1.1  What is LA66 LoRaWAN Module ==
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13	13	(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
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15	15	(% 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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17	17	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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19	19	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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21	21	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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24	24	== 1.2  Features ==
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151	151	1. Arduino
152	152	1. USB TO TTL Adapter
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154	154	[[image:image-20220602100052-2.png||height="385" width="600"]]
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163	163	(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
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165	165	(% style="background-color:yellow" %)**GND  <-> GND
166	166	TXD  <->  TXD
167	167	RXD  <->  RXD**
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170	170	Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
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188	188	==== 2.  Press the RST switch once ====
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190	190	[[image:image-20220602104701-12.png||height="285" width="600"]]
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232	232	[[image:image-20220602104923-13.png]]
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235	235	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
236	236	(% style="color:blue" %)**5. Check update process**
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268	268	* AT Command via UART-TTL interface
269	269	* Firmware upgradable via UART interface
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271	271	== 3.3  Specification ==
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273	273	* CPU: 32-bit 48 MHz
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286	286	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
287	287	* LoRa Rx current: <9 mA
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289	289	== 3.4  Pin Mapping & LED ==
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389		-(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
390		-(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
	412	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
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	414	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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392	392	[[image:image-20220602154928-5.png||height="436" width="500"]]
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442		-
443	443	= 5.  Reference =
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445	445	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]