The BPF-A1340 from Mini Circuits is a Band Pass Filter with Frequency 1 to 18 GHz, Bandwidth 800 MHz, Center Frequency 1340 MHz, Insertion Loss 1.04 to 1.29 dB, Rejection 20 dB @ 800 and 2300 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BPF-A1340 can be seen below.