The CBP4-836C+ from Mini Circuits is a Band Pass Filter with Frequency 824 to 849 MHz, Center Frequency 836 MHz, Insertion Loss 1.0 to 1.7 dB, Power 5 W, VSWR 1.29:1, 1.67:1. Tags: Surface Mount, Ceramic Filter. More details for CBP4-836C+ can be seen below.