The LBF-10500/100-S5 from Leader-MW is a Band Pass Filter with Frequency 10.45 to 10.55 GHz, Insertion Loss 2.0 dB, Upper Rejection 50 dB, Lower Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for LBF-10500/100-S5 can be seen below.