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VHF/UHF Radio Modem RS485 RS232 USB Wireless Transceiver 20DBM 433M 868M Transmitter and Receiver - EveryMarket
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19200bps Modbus Rs485 Plc Control Radio Modem 50km Los Long Range Data Transceiver 433mhz Uhf Vhf Rf Transmitter And Receiver - Fixed Wireless Terminals - AliExpress
Data radios allow RS232, RS485 and Ethernet communication
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