The 8CL4D9G-270-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 4.9 GHz, Center Frequency 4900 MHz, Insertion Loss 3 dB, Rejection 50dBc @ 4550 and 5225MHz, VSWR 1.50:1. Tags: Module with Connectors, Combline Filter. More details for 8CL4D9G-270-CD-SFF can be seen below.