[Number of channels]：83
[Communication method]：RS485/LoRa wireless spread spectrum (SX1262)
[AI/AO input mode]：0/4～20mA
[Transmit power]：160mW (22dBm)
[Measured distance]：4000 meters
[Antenna interface]：SMA female thread female pin
[Introduction]：Features: This product is a product with two functions. Function: The sender collects 4-channel analog signals (0/4～20mA) and transmits the data to the receiver through wireless (LoRa spread spectrum), and the receiver restores the 4-channel analog signal (0/4～20mA).