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Lora611AES-100mW AES encrypted Anti interference Lora Wireless Transceiver Data Transmission Module
LoRa611AES is a wireless transceiver data transmission module, based on SX1276/1278 chips from Semtech. This module adopts LoRa technology to achieve high effective sensitivity and superior anti-interference. The communication distance and receiver sensitivity are far exceeding the FSK, GFSK modulation. For better security, the module uses AES128 encryption. LoRa611AES has 100mW output power and TTL/RS232/RS485 interface available. It is widely applied in meter reading, remote industrial control, etc
Features and Application:
4 bytes Net ID
Default 2 bytes Node ID
Serial parameters configurable
Max output power: 100mw for option
Frequency band: 433/470/868/915Mhz for option
Sensitivity up to -121 dBm
Working temperature: -40 ~ +85 °C
Remote control telemetry
Industrial data acquisition
Wireless data communication
Access control system
Remote meter reading
The typical schematic circuit is as below:
Note: The ground pin of the module and device should be connected together
1) Power on Reset
Standard supply voltage of 5V (ordinary lithium battery of 4.2V is also applicable)，After powered on reset, the TX LED (Red) and RX LED (Blue) will blink 3 times,（If no lights, the module may damaged）, The total reset time is around 2s, as below:
2) Working Mode
The CS and SET Pin is internally pulled up. Pull CS pin high or leave it open will make LoRa611 enter into working mode.
In working mode, LoRa611 stay in receiving mode and wait for the series signal and RF signal.
Lora611 can connect with any device which is a standard TTL interface.
When the series signal comes, LoRa611 will check the input series signal if there is any error, and then transmit the received data out via RF automatically if no errors found.
When RF signal comes, LoRa611 will check the input RF signals if there is any error, and then transmit the received data out via series port automatically if no errors found.
When one packet is transmitted successfully, the Red LED will blink once.
When one packet is received and verified with no problem, the Blue LED will blink once.
The easiest way to test the module is by using a computer( PC software)
Pin and dimension:
A. Why module cannot communicate properly?
1) Check if there is a power connection error;
2) Check if the module is enabled (CS / SET both high);
3) Check if the band, channel, rate, NET ID has set to the same;
4) Check if the module is damaged(light is on?)
B. Why transmission distance is not as far as it should be?
1) Power supply ripple is too large;
2) The antenna types do not match, or not properly installed;
3) The surrounding environment is harsh, strong interference sources;
4) Surrounding co-channel interference;
C. Why receiving data incorrect?
1) Check if the interface compatible with the device;
2) Improper parameter settings.
3) The module data interface is bad.
|Working voltage range||3.3 ~ 6.5 V|
|Data transfer rate||N/A|
|Receiving sensitivity||-139 dBm|
|Maximum output power||100mW(+20dBm)|
|Receiving current||<20 mA|
|Operating Temperature Range||-40 ~ +85 °C|