The WBLB-T-BP-485-5/3-4C from A-Info is a Band Pass Filter with Frequency 482.5 to 487.5 MHz, Insertion Loss 2 dB, Power 5 W, VSWR 1.30:1, Operating_Temperature -20 to 50 Degree C. Tags: Module with Connectors, Cavity Filter. More details for WBLB-T-BP-485-5/3-4C can be seen below.