The 4BP160-50-2A-PP from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 135 to 185 MHz, Bandwidth 50 MHz, Center Frequency 160 MHz, Insertion Loss 1.7 to 0.1 dB, VSWR 1.50:1. Tags: Surface Mount, Lumped Component Filter. More details for 4BP160-50-2A-PP can be seen below.