The WRCD5-1879.2-1879.9-1880.1-1880.8-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8799 to 1.8801 GHz, Bandwidth 0.2 MHz, Insertion Loss 0.75 to 4 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD5-1879.2-1879.9-1880.1-1880.8-40 can be seen below.