Handheld mobile data terminals, support GSM/GPRS,GPS,camera,telephone. Etc. ... times each chargeLanguages: Multi-languagesRFID Frequency: HF13.56MHzProtocol standard: ISO14443A/B, 15693Read-write range: 3cm-7cmWireless Lan Data: GSM/GPRSExpansion Slots ... , LCD screen, Personalized keys, Mobile phone, Camera, Support GPRS, HF RFID read-write, GPS antenna Handheld Rfid GPS reader