GD20 3G Android 2.2 Smart PDA mobile phone Signal system: GSM,WCDMA Frequency range: WCDMA(3G),GSM 850/900/1800/1900,HSDPA Screen size: 3.5 inch,TFT,320×480 pixel CPU: Qualcomm 528MHz Memory capacity: 288MB RAM, 512MB ROM Operating system: Android 2.2 Camera:3.2 mega pixel high definition camera GPS location: support GPS,support A-GPS net assist navigation function. WIFI(WLAN): Support WiFi,support 802.11b/g Blue tooth: support Blue tooth v1.2, A2DP Bluetooth Stereo. Data information: GPRS,EDGE,HSDPA WAP Internet:WAP 2.0 Email: support E-mail with SMTP,POP3,IMAP4,IMAP. Standard configuration: lithium battery, specification and battery charger Shell colour: black and silver Size layout: 115.8×59×11.8mm Weight: 130g