4G Serial Port Iot Cellular Modem Support Standard Modbus With Cloud Server Introduction of IOT Cellular Modem Product model: ZHC4931, providing 1RS485/1RS232/1DI/1DO/1AI interface. Features: Threshold reporting, wet and dry node detection, and the device...
4G Serial Port Iot Cellular Modem Support Standard Modbus With Cloud Server Introduction of IOT Cellular Modem Product model: ZHC4931, providing 1RS485/1RS232/1DI/1DO/1AI interface. Features: Threshold reporting, wet and dry node detection, and the device... more
