The QLB3000M67P5SCS from Q Microwave is a Band Pass Filter with Frequency 2000 to 4000 MHz, Center Frequency 3000 MHz, Insertion Loss 2 dB, Rejection 30 dBc @ 1600 MHz & 6000 MHz, Power 0.1 W. Tags: Module with Connectors, Lumped Component Filter. More details for QLB3000M67P5SCS can be seen below.