Yaesu Original FTM-3100R 144 MHz Analog Single Band Rugged 65W Mobile Transceiver - 3 Year Manufacturer Warranty 65 Watts of 2-Meter RF Output - Type: F3E Variable Reactance Modulation. 3 Watts of audio from the FTM-3200R's front mounted speaker Funnel Air-Convection Conductor (Wind Tunnel) Frequency Range Transmit: 144 - 148 MHz, Receive: 136 - 174 MHz Size: 6.1" x 1.7" x 6.1" (154 x 43 x 155 mm), Weight: 2.86lb (1.3kg)