The WRCGV8-1802.4-1812.4-1817.4-1827.4-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8124 to 1.8174 GHz, Bandwidth 5 MHz, Insertion Loss 0.75 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV8-1802.4-1812.4-1817.4-1827.4-80 can be seen below.