433MHz wireless RS485 interface data radio modem from DORJI on Tindie
Radio transmission for Lenz remote (2) - RS 485 radio modules
150MHz VHF UHF 433MHz RF Transceiver RS232 RS485 Wireless Radio Modem 5km Data Communication Receiver and Transmitter - China Radio Modem, VHF Radio Modem | Made-in-China.com
Data radios allow RS232, RS485 and Ethernet communication
RS485 data radio modem wireless transceiver module DRF4432D20I-043L2 | eBay
Z-LINK1-LO - 869 Mhz Radiomodem with RS232/RS485 interface