The RNFL9500K from RF-Lambda is a Band Stop Filter with Stopband Frequency 9.1 to 9.9 GHz, Insertion Loss 2.5 to 3 dB, Rejection 50 dB, Power 50 W, VSWR 1.80:1. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for RNFL9500K can be seen below.