The CBP-1880E+ from Mini Circuits is a Band Pass Filter with Frequency 1780 to 1980 MHz, Center Frequency 1880 MHz, Insertion Loss 1.5 to 3 dB, Power 6.3 W, VSWR 1.50:1, 2.30:1. Tags: Surface Mount, Ceramic Filter. More details for CBP-1880E+ can be seen below.