Hardware Specification :: Texas Instruments OMAP 730 Processor :: 1.9 inch 176x220 TFT LCD :: Built-In Microphone/Speaker :: 1.3M Pixel CMOS Camera :: Dimensions: 107 x 45 x 16 mm GSM/GPRS Specification :: Quad-band: 850/900/1800/1900MHz :: GPRS Class 10 :: SIM Card :: FTA/CTA/FCC/CE Certification WLAN Specification :: Wireless Access Protocol: IEEE 802.11b/g :: RF Channels: US: 11, ETSI: 13, Japan: 14 :: Security: WEP/WPA/802.1x :: Power Saving Modes :: Fast Roaming between Access Points :: Quick and Easy Search of APs VoIP Support :: SIP: IETF RFC 3261 :: Codecs G.711, G729a/b,G.723 :: Dynamic Jitter Buffer :: Voice Activity Detection