The CBP-1280F+ from Mini Circuits is a Band Pass Filter with Frequency 1160 to 1400 MHz, Center Frequency 1280 MHz, Insertion Loss 1.0 to 2.0 dB, Power 1 W, VSWR 1.50:1, 1.90:1. Tags: Surface Mount, Ceramic Filter. More details for CBP-1280F+ can be seen below.