Version 160.1 by Xiaoling on 2023/06/05 15:20
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1
2
3 **Table of Contents:**
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5 {{toc/}}
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7
8
9 = 1.  LA66 LoRaWAN Module =
10
11 == 1.1  What is LA66 LoRaWAN Module ==
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16 [[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
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24 (% 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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30 (% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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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36 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
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40 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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46 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
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50
51 == 1.2  Features ==
52
53
54 * Support LoRaWAN v1.0.3 protocol
55 * Support peer-to-peer protocol
56 * TCXO crystal to ensure RF performance on low temperature
57 * SMD Antenna pad and i-pex antenna connector
58 * Available in different frequency LoRaWAN frequency bands.
59 * World-wide unique OTAA keys.
60 * AT Command via UART-TTL interface
61 * Firmware upgradable via UART interface
62 * Ultra-long RF range
63
64
65 == 1.3  Specification ==
66
67
68 * CPU: 32-bit 48 MHz
69 * Flash: 256KB
70 * RAM: 64KB
71 * Input Power Range: 1.8v ~~ 3.7v
72 * Power Consumption: < 4uA.
73 * Frequency Range: 150 MHz ~~ 960 MHz
74 * Maximum Power +22 dBm constant RF output
75 * High sensitivity: -148 dBm
76 * Temperature:
77 ** Storage: -55 ~~ +125℃
78 ** Operating: -40 ~~ +85℃
79 * Humidity:
80 ** Storage: 5 ~~ 95% (Non-Condensing)
81 ** Operating: 10 ~~ 95% (Non-Condensing)
82 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
83 * LoRa Rx current: <9 mA
84 * I/O Voltage: 3.3v
85
86
87 == 1.4  AT Command ==
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89
90 AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
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92
93 == 1.5  Dimension ==
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95
96 [[image:image-20220718094750-3.png]]
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98
99 == 1.6  Pin Mapping ==
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101 [[image:image-20220720111850-1.png]]
102
103
104 == 1.7  Land Pattern ==
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107 [[image:image-20220517072821-2.png]]
108
109
110 = 2.  FAQ =
111
112 == 2.1  Where to find examples of how to use LA66? ==
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114
115 (% class="wikigeneratedid" %)
116 Below products are made by LA66. User can use their examples as reference:
117
118 * [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
119 * [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
120
121
122 == 2.2  How to Compile Source Code for LA66? ==
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124
125 Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
126
127
128 == 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
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130
131 Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
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133
134 == 2.4  Where to find Peer-to-Peer firmware of LA66? ==
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136
137 Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
138
139
140 == 2.5 How can i use J-LInk to debug LA66? ==
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142
143
144 = 3.  Order Info =
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146
147 **Part Number:**  (% style="color:blue" %)**LA66-XXX**
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149 (% style="color:blue" %)**XXX**(%%): The default frequency band
150
151 * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
152 * (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
153 * (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
154 * (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
155 * (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
156 * (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
157 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
158 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
159 * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
160
161
162 = 4.  FCC Statement =
163
164
165 (% style="color:red" %)**FCC Caution:**
166
167 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
168
169 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
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171
172 (% style="color:red" %)**IMPORTANT NOTE: **
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174 (% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
175
176 —Reorient or relocate the receiving antenna.
177
178 —Increase the separation between the equipment and receiver.
179
180 —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
181
182 —Consult the dealer or an experienced radio/TV technician for help.
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184
185 (% style="color:red" %)**FCC Radiation Exposure Statement: **
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187 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
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189

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