The SBP-35A+ from Mini Circuits is a Band Pass Filter with Frequency 30 to 40 MHz, Center Frequency 35 MHz, Insertion Loss 0.6 to 1.0 dB, Upper Rejection 20 to 36 dB @ 60 to 1350 MHz, Lower Rejection 20 to 40 dB @ DC to 21 MHz. Tags: Module with Connectors, Lumped Component Filter. More details for SBP-35A+ can be seen below.