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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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184	184	[[image:image-20220602102824-5.png||height="306" width="600"]]
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187	187	==== 2.  Press the RST switch once ====
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189	189	[[image:image-20220602104701-12.png||height="285" width="600"]]
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192	192	==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
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230	230	[[image:image-20220602104923-13.png]]
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233	233	(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234	234	(% style="color:blue" %)**5. Check update process**
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266	266	* AT Command via UART-TTL interface
267	267	* Firmware upgradable via UART interface
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269	269	== 3.3  Specification ==
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271	271	* CPU: 32-bit 48 MHz
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284	284	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
285	285	* LoRa Rx current: <9 mA
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287	287	== 3.4  Pin Mapping & LED ==
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387		-(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
388		-(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
	410	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
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	412	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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390	390	[[image:image-20220602154928-5.png||height="436" width="500"]]
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440		-
441	441	= 5.  Reference =
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443	443	* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]