Specifications Processor / Chipset: XScale PXA300/ 310 624MHz Operating System: Microsoft® Windows Mobile® 6.1 Professional Memory: 64MB/ 128MB mDDR Storage: 1GB-4GB Expansion: MicroSD Card Slot( compatible with up to 32GB SDHC) Display: 3.5â transflective TFT LCD, QVGA resolution ( 240 x 320) Battery: 3.7V 2500mAh Rechargeable Li-ion ( Backup battery included) Application Buttons: 28 keys including Navigation , Function and Numeric Key Image: 1/ 4 Inch 2 Mpixel color camera I/ O Inerfaces: RS232, USB1.1 Device+ Host, Modemx1, SDIOx1, SPIx1, IICx1 Dimension & Weight: 158( L) X 84( W) X 39( H) mm, 345g Wireless: 802.11b/ g WLAN, Bluetooth v2.0 + EDR Communications: GPS SiRFIII ( optional) , GPRS/ CDMA/ EDGE/ EVDO/ HSDPA ( optional) Environment: * Operating Temperature -10 to + 50C * Storage Temperature -40 to + 60C * Operating Humidity 5% ~ 95% none condensing Rugged Rating: * IP64 HF RFID Reader: Supported Tags: ISO15693, ISO18000-3, ISO14443A, ISO14443B, ISO 14443C, Inside PicoPass Frequency: 13.56MHz Reader Range: Max. Read Range: 4cm ( ISO15693) Minimum Write Range: 2cm ( ISO15693 www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk www.cnrfid.80.hk