The CBP-1450F+ from Mini Circuits is a Band Pass Filter with Frequency 1320 to 1580 MHz, Center Frequency 1450 MHz, Insertion Loss 1.0 to 2.5 dB, Power 1 W, VSWR 1.50:1, 2.00:1. Tags: Surface Mount, Ceramic Filter. More details for CBP-1450F+ can be seen below.