The WRCGV12-1730-1737.5-1742.5-1750-80-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7375 to 1.7425 GHz, Bandwidth 5 MHz, Insertion Loss 1 to 2.5 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-1730-1737.5-1742.5-1750-80-1 can be seen below.