The CBP12-1090BE+ from Mini Circuits is a Band Pass Filter with Frequency 1087 to 1093 MHz, Center Frequency 1090 MHz, Insertion Loss 1.9 to 2.5 dB, Power 10 W, VSWR 1.50:1, 1.92:1. Tags: Surface Mount, Ceramic Filter, Cavity Filter. More details for CBP12-1090BE+ can be seen below.