The WVR-2140B-60M01 from Wevercomm is a Band Stop Filter with Stopband Frequency 2.11 to 2.17 GHz, Bandwidth 60 MHz, Insertion Loss 2 dB, Rejection 40 dB Min @ 1922.6MHz to 1977.4MHz, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for WVR-2140B-60M01 can be seen below.