SI4209 - Transceiver
The Si4209 transceiver is a complete RF front end for dual-band GSM and GPRS wireless communications.
The receive section interfaces between the RF band-select SAW filters and the baseband subsystem.
The Si4209 receiver leverages a proven digital low-IF architecture and enables a universal baseband
SI4209 Features
* 5x5 mm 25-pin QFN Smallest solution footprint Highest integration Industry-leading performance Integrated GSM/GPRS transceiver including the following: - Digital low-IF receiver - Complete support for 900/1800, 900/1900, 850/1800, 850/1900 band configurations - Region management flexibility - Offs