KYL-600L 500mW VHF UHF voice transmission 2km radio modem module 144MHz/230MHz wireless audio modem tnc/sma connector

5W VHF UHF voice transmission rf 10km radio modem module 144MHz/230MHz wireless audio modem KYL-600H

KYL-300P rf module 10km rs485&rs232 radio modem module wireless data communication 400mhz-470mhz programmable vhf radio modem

Professional Cinterion Mc52I Modem Module for SMS Data Sending

KYL-668H rs485/rs232 radio modems 25w audio modem module 150mhz/230mhz 20km range wireless plc modem