The Grandstream GDS Series RFID Card Reader is used in conjunctions with Grandstream’s GDS 3705 and 3710 Door Phone Systems.
- Connectivity: USB
- RFID Frequency: 125 kHz
- Power: DC 5V (through the USB cable)
- Operating Distance: 0-40 mm
- Dimensions: 4.27 inch x 4.27 inch x 0.94 inch