Detailed Product Description Operating frequencyDual band 900/2100 WCDMA and 850/1900 WCDMA GSM/EDGE 850/900/1800/1900 Automatic switching between GSM bands Flight modeData network CSD HSCSD GPRS/EGPRS Class B, multislot class 32, maximum speed 177/296kbps (DL/UL) EDGE class B, multislot class 32, maximum speed 177/296 kbps (DL/UL) WCDMA 2100, maximum speed PS 384/384 kbps (UL/DL), CS 64 kbps ...