The WRCD10-1897.6-1899.2-1900.8-1902.4-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8992 to 1.9008 GHz, Bandwidth 1.6 MHz, Insertion Loss 1.25 to 2.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD10-1897.6-1899.2-1900.8-1902.4-40 can be seen below.