The BPF-C70 from Mini Circuits is a Band Pass Filter with Frequency 69.5 to 70.5 MHz, Bandwidth 1 MHz, Center Frequency 70 MHz, Insertion Loss 6.4 to 8 dB, Rejection 20 dB @ DC-66 and 75-1000 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BPF-C70 can be seen below.