The BPF-B140W from Mini Circuits is a Band Pass Filter with Frequency 135 to 145 MHz, Bandwidth 10 MHz, Center Frequency 140 MHz, Insertion Loss 2.57 to 2.65 dB, Rejection 20 dB @ 117 and 165 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BPF-B140W can be seen below.