Pro Trucker 60 WATT Dummy Load 450MHz / 60 Watt Max / 20 Watt Cont. / 50 OHMs S.W.R.: 1.10 (250MHz), 1.20 (450 MHz) POWER: 20 watts (CONT.), 60 watts (MAX) IMPEDANCE: 50 OHMS CONNECTOR: PL-259 Dummy Load Heat Sink