The BP750-300-3B-SS from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 750 MHz, Center Frequency 750 MHz, Insertion Loss 1.5 dB, Rejection 60dB @ DC to 450 and 60dB@ 1050 to 5000MHz, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for BP750-300-3B-SS can be seen below.