The WRCGV8-1727.5-1747.5-1787.5-1807.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7475 to 1.7875 GHz, Bandwidth 40 MHz, Insertion Loss 0.75 to 1 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1727.5-1747.5-1787.5-1807.5-40 can be seen below.