The FP30207-2 from Sinclair Technologies is a Band Pass Filter with Frequency 300 to 400 MHz, Insertion Loss 1.6 to 6 dB, Power 80 to 350 W, VSWR 1.50:1, Operating_Temperature -30 to 60 Degree C. Tags: Rack Mount, Cavity Filter. More details for FP30207-2 can be seen below.