The WRCT40-2437.5-2438.5-2458.5-2459.5-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.4385 to 2.4585 GHz, Bandwidth 20 MHz, Insertion Loss 3 to 6 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT40-2437.5-2438.5-2458.5-2459.5-50 can be seen below.