... : HF13.56MHzProtocol standard: ISO14443A/B, 15693Read-write range: 3cm-7cmWireless Lan Data: GSM/GPRSExpansion Slots: SAM/SIM/TF cardsOptional Function modules ... : GPRS, GPS, RFIDAssistant tools: Calendar, Calculator, Alarm, PhoneAccessories: touch stylus, usb cables, portable battery charger, wristlets, sheath, SDK, TF cardSealing environment ...