The ZABP-45-S+ from Mini Circuits is a Band Pass Filter with Frequency 30 to 70 MHz, Center Frequency 45 MHz, Insertion Loss 0.8 to 1.5 dB, Upper Rejection 20 to 55 dB, Lower Rejection 20 to 49 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ZABP-45-S+ can be seen below.