The LSTF-9400/200 -2S from Leader-MW is a Band Stop Filter with Stopband Frequency 9.3 to 9.5 GHz, Insertion Loss 2 dB, Rejection 40 dB, Power 10 W, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for LSTF-9400/200 -2S can be seen below.