The CL3G-20-CD-SS from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 3.09 to 3.11 GHz, Bandwidth 20 MHz, Center Frequency 3100 MHz, Insertion Loss 0.5 dB, Rejection 10dB @ 3.120GHz and 20dB @ 3.140GHz and 30dB @ 3.180GHz and 40dB @ 3.260 and 50dB @ 8.4 to 16.1GHz. Tags: Module with Connectors, Cavity Filter. More details for CL3G-20-CD-SS can be seen below.