RT4AE01 VHF/UHF Radio Modem RS485 RS232 USB Wireless Transceiver 20DBM 433M 868M Transmitter and Receiver

RT4AE01 VHF/UHF Radio Modem RS485 RS232 USB Wireless Transceiver 20DBM 433M 868M Transmitter and Receiver

Aliexpress UK