The 9CL12R3G-CD-SFM from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 12.3 GHz, Center Frequency 12300 MHz, Insertion Loss 2 dB, Rejection 40dBc @ 13.1GHz and 40dBc @ 500 to 1000Mhz and 60dBc @ 11.65GHz, VSWR 1.50:1. Tags: Module with Connectors, Combline Filter. More details for 9CL12R3G-CD-SFM can be seen below.