The 10BP54-68-3B-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 54 MHz, Center Frequency 54 MHz, Insertion Loss 0.5 dB, Rejection 50dB @ 10 to 100MHz, VSWR 1.50:1. Tags: Module with Connectors, Lumped Component Filter. More details for 10BP54-68-3B-SFF can be seen below.