Frequency: 125kHzProtocol: EM4100 or compatible standardRead 64 bits serial numberEmbedded antennaReading range: 2 to 3cmOutput interface: USB keyboard emulationNo external power neededOutput format: 10 digits decimalPlug-and-play function, no driver needed under Microsoft Windows, Google Android or iPadWith iPad connection kit for operationWith USB keyboard emulation interfaceSupports Microsoft Windows, Android and iPad systemsExternal hardware reader of identification systemUsing micro-electronics RF base station circuit and imported embedded micro-controllerCombined with efficient decoding algorithmsAdvanced data processing technology to complete decoding of RF card and data outputSuper slim size: 65 x 20 x 7mm