The WRCGV5-1777.4-1852.4-1872.4-1947.4-70 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8524 to 1.8724 GHz, Bandwidth 20 MHz, Insertion Loss 0.4 to 0.5 dB, Rejection 70 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-1777.4-1852.4-1872.4-1947.4-70 can be seen below.