1)wifi, bluetooth,printer 2)optional gps, gprs,barcode scanner, rfid,camera 3)4000mah battery 4)SDK,Sourcecode free

SPECS	handheld pda with thermal printer
OSCPU	WINCE5.0,MOBILE6.0, support different global languages.S3C2442,ARM9, 400MHZ
MemoryFlash MemeoyExpansionMemory	64MB SDRAM 128MB NAND FLASH,Expandable 2G by expansion slot
DisplayType size	transflective TFT QVGA color; touch screen ,backlight3.5'',resolution 320x240 dpi ,sunlight viewable
Operating  Keys	20 numeric keys+2 custom keysenclosed stylus or fingertipsupport  Mouse and keyboard by USB port
CommunicationWLAN USBSerial port Audio  GSM/GPRS/3GBluetooth	802.11b/g1 USB 1.1 Host,1 Client 1 RS232 serial portbuilt-in mic; Speaker and  3.5 mm stereo headphone jack; MP3 stereoQuad band 850/900/1800/1900MHz,CDMA-EVDO  or WCDMA (optional)support
Power                               BatteryCharging methodCharging time	Rechargeable 3.7V,4000mAH battery Enclosed power supply,separate seat charge5hours
Support functionsRFIDBarcode Scaner(ID)CameraGPS(SKG13)	LF:125k (ID)  HF:13.56M(ISO14443A) 134.2khz(optional)Symbol Laser Barcode reader(optional)2.0mega pixel( optional)22 Tracking / 66 Acquisition-Channel
Dimensions (wxdxh)	195 x 93 x 37.5mm
Durability
Temp. in operation	-10ºC  + 45 ºC
Temp. in storage	-20ºC +55ºC
HumidityDrop test	5 - 95% (non-condensing)1.5 m drop onto concrete

Development environment
Software Development	Windows Mobile SDK
Programming Environment	Microsoft® Visual Studio® 2005 support NET CF 2.0
	Microsoft® Visual Studio® 2008 support NET CF3.5
	Develop language: C++,C#,VB.NET