1. 3 type wireless communications (gprs/wifi/bt2.0) 2. High speed data processing Wireless communication Wifi support ieee 802.11b/g Bt 2.0 Gprs:850mhz/900mhz/1800mhz/1900mhz Display screen3.5inch touch screen, resolution:320*240 18 bit true color Tft-lcd(can see clear in outdoor environment) Key21 keys SpeakerBuilt in 4|¸/1w Camera300 megapixel Battery4000mah/3.7v Power adapter12v 3a, dc charger size: ¡ìæ1.3mm Rfid module Hf rfid(option)Support iso14443 a/b, read distance:0-6cm Uhf rfid(stand)Read distance:0-7m(with iso card) Write distance:0-3m(with iso card) Scanner module 1d barcode(stand)Code128, ean-8, code39, upc-a, upc-e 2d barcode(option)Pdf417, qr code, datamatrix and above 1d barcode Psam module Psam encryption moduleIso7816 protocol Software developmentProvide sd and demo Mechanical and electrical performance Size160*77*30mm Weight850g (include the handle) Operation temperature-20-55¡æ Storage temperature-30-60¡æ Cartoon bxo