... LF, HF and UHF 2.Optional function: wifi, 1/2D scanner, GPS,GSM/GPRS,Bluetooth,PSAM, XGS Tech. has already passed ... screenBacklight: LEDBattery capacity: Rechargeable polymer battery(3.7V 4000mAH)Camera: Samsung 320 megapixel camera 2048(H) * 1536(V), QXGAExpansion slots: SIM card ... , pls feel free to contact me. portable RFID reader with camera 2d barcode scanner