Expansion slots1Sim slot, 1 TF slotIngress protectionIP65PositioningGPS (AGPS), BeiDou, accuracy ±5mFace recognitionbuilt-in face algorithm, with SDKProtocolISO 14443A/B, ISO 15693, NFC-IP1, NFC-IP2Read range3-5cm (tag/environment dependent)Scan engineZebra SE4710 / ME5600 / ME5800 / Honeywell N3603 / NLS-N1 / Honeywell N6703Scan resolutionCMOS accuracy ≥ 3milSymbologiesCode128, UCC/EAN-128, EAN-8, EAN-13, ISBN/ISSN, UPC-E, UPC-A, Interleave 2/5, Code39, Codabar, Code 93, Code 11, Plessey, MSI/Plessey, GS1 Databar 1D; PDF-417, QR Code, Data Matrix, Han Xin code2DOptional modules433MHz, IR thermometer, vibration, precise positioningmodule