The CBP6-507BG+ from Mini Circuits is a Band Pass Filter with Frequency 504 to 509 MHz, Center Frequency 507 MHz, Insertion Loss 3.8 to 4.8 dB, Power 6 W, VSWR 1.43:1, 1.92:1. Tags: Surface Mount, Ceramic Filter. More details for CBP6-507BG+ can be seen below.