The AM902-947SD363 from Anatech is a Surface Acoustic Wave (SAW) duplexer with pass bands from 890 to 915 MHz and 935 to 960 MHz. It has an insertion loss of less than 2.8 dB and an isolation of more than 48 dB. The duplexer can handle up to 1.2 W of power. It is available in a surface mount package that measures 3.8 x 3.8 x 1.45 mm and is ideal for GSM applications.
