The 11CL19G-4G-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 19 GHz, Center Frequency 19000 MHz, Insertion Loss 1 dB, Rejection 50dB @ 10000 and 15000MHz and 50dB @ 18500 to 29000MHz, VSWR 2.00:1. Tags: Module with Connectors, Combline Filter. More details for 11CL19G-4G-CD-SFF can be seen below.