... Data Modem, 433Mhz Wireless Data Transmitter & Receiver 2W RF Power, RS-232, RS-485 or TTL Interface Meter Reading,data tr 5Km Data Modem, 433Mhz Wireless Data ... Transmitter & Receiver: YS-C30 series data radio designed for Serial (UART data ... system;* Industrial Automation, PLC Control,Wireless Data Acquisition, SCADA;4. Installation dimension5. Interface ...