AR-20BKT 20 Watts PEP, 30 - 512 MHz, Tx/Rx Booster Amplifier Kit. Kit includes amp, cables, pouches & LOS antenna.  Download Full Data Sheet   The Model AR-20B is a portable, lightweight, fully automatic band-switching RF booster amplifier for multi-band VHF/UHF Tactical Radio equipment employing legacy, proprietary and emerging waveforms. The AR-20B produces 20 Watts from a 1 to 2 Watts PEP radio input and covers the frequency band of 30-512 MHz. The unit has multiple input DC voltage options including operation from a single battery (XX90 battery) or 12 and 28 VDC vehicle power source. The unit is designed for use with the latest modern networking formats like ANW2, WNW and SRW. It also includes Voltage Spike Suppression, Over Temperature Protection, RF sensing, T/R Switching, Automatic Level Control (ALC), Harmonic Filters, Co-Site filters and protection against antenna mismatch. The amplifier is comprised of rugged 3-piece aluminum case. The AR-20B is the simpler version of the 20W family without an LNA and power select (contact AR Modular RF for the unit with the LNA feature). Optional interface coaxial cables, DC battery cables, and kits are available.