The BPF-C59+ from Mini Circuits is a Band Pass Filter with Frequency 30 to 88 MHz, Center Frequency 59 MHz, Insertion Loss 1.40 to 2.50 dB, Upper Rejection 20 to 25 dB, Lower Rejection 20 to 29 dB. Tags: Surface Mount, Lumped Component Filter. More details for BPF-C59+ can be seen below.