The WRCGV5-1577.75-1587.75-1597.75-1607.75-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.58775 to 1.59775 GHz, Bandwidth 10 MHz, Insertion Loss 0.5 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1577.75-1587.75-1597.75-1607.75-40 can be seen below.