... Bluetooth, Camera is option. 13.56MHz HF RFID readers are common used to read intelligent smart cards, ... various extremely environments PerformanceCPU: Samsung ARM920T@533 MHz Memory: 128 MB RAM/1 GB Flash ... mAh) Expansion slots: SIM/SAM/Micro SD (TF) card, Indicator: LED,Audio: 0.5 watt, Keyboard: ... ) provided RFID (HF)Operating frequency: 13.56 MHz Protocol: ISO14443A Tag Types: Mifare One S50,S70 ...