The WRCD10-1841.9-1842.4-1842.6-1843.1-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8424 to 1.8426 GHz, Bandwidth 0.2 MHz, Insertion Loss 1.25 to 4 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD10-1841.9-1842.4-1842.6-1843.1-40 can be seen below.