The Swan Model VHF-150 Amplifier is designed for use on the 2 meter amateur band in either CW/FM or SSB modes of operation. The frequency range of the amplifier is 243 to 149 MHz. The amplifier may he operated fixed or portable, and with the addition of the Swan model 14C DC converter, may be operated mobile. The amplifier is biased Class C for CW/FM operation, and Class AB2 for SSB operation. With a drive input of 6 to 10 watts power input to the final exceeds 240 watts P.E.P. in SSB, and 150 watts DC in CW/FM. AC input to the power supply is 117 volts, 50-60 Hertz. A 230 VAC 50-60 Hertz model is available on special order. Provision has been made for Transmit-Receive relay control operation with a transceiver.