Anatech Electronics Inc, actively involved in design, manufacturing and supply of RF and Microwave components also introduces their new Ceramic Monoblock Duplexers/Diplexers used in GSM communication. Low insertion loss and good rejection in a small package size are the most prominent features of these filters. AE1897D172 has Passband 1 @ 925 MHz – 960 MHz and Passband 2 @ 880 MHz – 915 MHz. Insertion Loss in both passbands is 4dB max, and the isolation is 35dB min. This part is fully ROHS compliant and built in a package size of 21.54 X 4.0 X 9.0 (mm) max.