The BPF-A355+ from Mini Circuits is a Band Pass Filter with Frequency 310 to 400 MHz, Center Frequency 355 MHz, Insertion Loss 1.90 to 3.5 dB, Upper Rejection 20 to 30 dB, Lower Rejection 20 to 27 dB. Tags: Surface Mount, Lumped Component Filter. More details for BPF-A355+ can be seen below.