The LBF-330/30-Q7 from Leader-MW is a Band Pass Filter with Frequency 315 to 345 MHz, Insertion Loss 0.8 dB, Upper Rejection 40 dBc, Lower Rejection 40 dBc, VSWR 1.25:1. Tags: Module with Connectors, Cavity Filter. More details for LBF-330/30-Q7 can be seen below.