Feature: 1. Card reading time: less than 100ms. 2. Card reading distance: 2.5-10cm (related to the card reader). 3. Operating frequency: 13.56MHz / 125KHz. 4. Application areas: access control, elevators, attendance patrol and other systems. 5. Compatible with a wide range of compatible mobile phones and tablets for Android devices (OTG-enabled mobile phones) (only USB interface machines support Android devices, serial keyboard ports are not supported).
