RF power: 5W/37dBm; Frequency: 150~ 350MHz, Modulation: MSK Baud rate: 1200 ~ 4800bps optional Range: ... data transceiver for RS232/RS485/TTL to wireless, 150~350Mhz,0.5-5W output, RF module, wireless VHF data ... double VCO structure, high stability* Carrier frequency: 150Mhz, 230Mhz, 350Mhz optional* Data rate: 1200/2400/4800bps* Interface: TTL/RS- ... wireless data radio modem ,10km range ,150-350mhz