... Loss Four Channels Design, Wider band, High Rejection Coaxial Cavity Housing, High Reliability Technical SpecificationsHigh “Q”, Low Insertion LossFour ... Channels Design, Wider band, High RejectionCoaxial Cavity Housing, High ReliabilityHigh Power HandlingROHS compliantCustom design availableParametersPort 1(GSM ... brackets)Product curve TD/WCDMA/DCS/GSM 4 Channel Combiner