The BPF-V300+ from Mini Circuits is a Band Pass Filter with Frequency 230 to 370 MHz, Center Frequency 300 MHz, Insertion Loss 1.1 to 2 dB, Upper Rejection 25 to 38 dB, Lower Rejection 25 to 37 dB. Tags: Surface Mount, Lumped Component Filter. More details for BPF-V300+ can be seen below.