The BPF-A600 from Mini Circuits is a Band Pass Filter with Frequency 500 to 700 MHz, Bandwidth 200 MHz, Center Frequency 600 MHz, Insertion Loss 1.6 to 2.5 dB, Rejection 20 dB @ DC-380 and 795-1800 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BPF-A600 can be seen below.