SPECIFICATIONS:LSCOMBINER-FM-A Frequency range:87 108MHz Insertion loss: 0.5dB VSWR: 1.2 Average input power: 10KW Impedance: 50 ohms Isolation: 26dB connector:7/16(input),3 1/8(output) Dimensions(LxWxH)mm:600 x 600 x 120 Environmental conditions: Operating temperature -40 ~85 Storage temperature -65 ~125 We supply Filter,Diplexer,Combiner,Coupler,Antenna 30MHz-50GHz for RF and Microwave with high quality and competitive price. Hope to cooperate with you!