The ZFBP-13.5-S+ from Mini Circuits is a Band Pass Filter with Frequency 12 to 15 MHz, Center Frequency 13.5 MHz, Insertion Loss 1.5 to 3 dB, Upper Rejection 12 to 33 dB, Lower Rejection 20 to 46 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ZFBP-13.5-S+ can be seen below.