The SBP-35B+ from Mini Circuits is a Band Pass Filter with Frequency 24 to 46 MHz, Insertion Loss 0.5 to 1.0 dB, Upper Rejection 20 to 39 dB @ 73 to 1000 MHz, Lower Rejection 20 to 44 dB @ Dc to 16 MHz, Power 0.5 W. Tags: Module with Connectors, Lumped Component Filter. More details for SBP-35B+ can be seen below.