The CFD-UTMSEGSMDCS from Filtronetics is a Multiplexer with Attenuation 25 to 45 dB, Frequency 885 to 2170 MHz, Insertion Loss 3.5 to 4.5 dB, Power handling 4 W, Return Loss 14 dB. Tags: Surface Mount, Ceramic. More details for CFD-UTMSEGSMDCS can be seen below.