DBP.1575.W.A.30 Dielectric Band Pass Filter Taoglas DBP.1575.W.A.30 Dielectric Band Pass Filter is a compact and cost-effective RF Filter, designed for 1575MHz, with a bandwidth of 10MHz. The DBP.1575.W.A.30 eliminates unnecessary out of band noise while maintaining minimal in-band insertion loss. This Band Pass Filter is manufactured as a single ceramic block (monoblock) which provides high reliability, low insertion loss, and high attenuation in a simple SMD package.