The 3126 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 2.3 to 4.3 GHz, Bandwidth 2000 MHz, Center Frequency 3300 MHz, Insertion Loss 3 dB, Rejection 40 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 3126 can be seen below.
