The WRCD10-1841.5-1842.3-1842.7-1843.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.8423 to 1.8427 GHz, Bandwidth 0.4 MHz, Insertion Loss 1.25 to 3.25 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD10-1841.5-1842.3-1842.7-1843.5-40 can be seen below.