VHF radio modem with 5 KM range YS-T20 RF power: 500mW /27dBm; Frequency: 227-233MHz , Modulation: MSK Voltage: DC 5V or 12V Size: 72x46x16mm(without antenna p
5W VHF data radio: YS-T86 Carrier frequency: 150Mhz, 230Mhz, 350Mhz optional Data rate: 1200/2400/4800bps Interface: TTL/RS-232/RS-485 optional