The RNFL7660K from RF-Lambda is a Band Stop Filter with Stopband Frequency 7.660 to 8.140 GHz, Insertion Loss 1 dB, Rejection 47 dB, Power 10 W, VSWR 1.50:1. Tags: Module with Connectors, Notch Filter, Cavity Filter. More details for RNFL7660K can be seen below.