The WRCT10-1876-1880-1885-1889-60-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.88 to 1.885 GHz, Bandwidth 5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-1876-1880-1885-1889-60-2 can be seen below.