The light weight, small size and flexible power supply options of this amplifier make it ideal for portable 900MHz ISM band operation in applications such as model aircraft, telemetry, robotics, industrial controls etc.. The fast receive/transmit switching time make this amplifier an ideal range boosting option for widely available radios that employ Time Division Duplexing technologies FHSS, DSSS, OFDM etc. A highly efficient amplifier that consumes only 45mA of power during Rx mode. It can be powered via regulated 5V DC or unregulated 614V DC. I have one of these if anyone is interested, it comes with power supply and cable also adapter. I have only used with a helium with a cavity filter and does work well. To much power for me. Used will a cavity filter. If you have a miner in a remote location then this gives you all the extra push you need. I do not know how it performs without cavity filter, if you are interested get a cavity filter also.