Main Features:
● USB wireless serial data transmission module， support AT commands to configure the system
● Adopts stable CH340T， makes USB to serial port
● Built-in anti-crash watchdog procedures， use under the harsh environment of industrial control occasions
● NRF24L01 module plug in a reverse direction will not work， even might NOT burn the board
● With this module you can do wireless serial transmission distance farther (100 - 1100m， depending on the wireless module used)， far higher than Bluetooth (10m) serial transmission distance