The USB RFID Card Reader is available for use with the GDS series of IP Door Systems. This USB RFID Card reader can be installed anywhere and connect via USB to any computer running Grandstream’s free GDS Manager software to allow all RFID Card Reader activity to be tracked, monitored and managed centrally by GDS Manager. The device is fully powered through USB and offers a built-in antenna with card-seeking mode.


  • Card Supported 125KHz: EM4100 RFID card

    Working Frequency 125KHz

    Power Supply DC 5V (±4%)

    Electric Current Standby Current 20mA;

    Operation Current Less Than 35 mA

    Operating Distance 0-40mm effective distance, the use of ID card and the Reader

    Working Temperature -10°C ~ 70°C

    Storage Temperature -20°C ~ 80°C

    Dimensions 108.5mm x 108.5mm x 24mm ±3mm USB Cable Length 1.5 Meters