The 3078-1950 from KR Electronics (A Division of NIC) is a Band Pass Filter with Frequency 1.7 to 2.2 GHz, Bandwidth 500 MHz, Center Frequency 1950 MHz, Insertion Loss 3 dB, Rejection 40 dB. Tags: Module with Connectors, Lumped Component Filter. More details for 3078-1950 can be seen below.