The LBF-SMR-3 from Leader-MW is a Band Pass Filter with Frequency 851 to 869 MHz, Insertion Loss 2.1 dB, Upper Rejection 40 dB, Lower Rejection 52 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for LBF-SMR-3 can be seen below.