1. Working frequency: 840MHz ~ 960MHz can be set 2. Air interface protocol: ISO 18000-6C / EPC C1G2, ISO 18000-6B, GB / T29768-2013 (expandable support) 3. Read and write function: support intensive read and write, multi-tag identification, support tag data filtering, support RSSI: perceivable signal strength 4. Function: Built-in infrared proximity switch, trigger reading, support EAS anti-theft bit, support to set one anti-theft bit according to label needs, support audible and visual alarm. 5. Screen size: 21.5 inch capacitive touch screen 6. Trigger mode: infrared proximity switch / or infrared beam 6 Front and back recognition distance: 90cm front and back (using AZ-D label-for reference) 7. Communication interface: RJ45; RS232 (WiFi optional) 8. Equipment material: sheet metal frame, solid shape; imported acrylic surface material 9. Size: 2270 * 1041 * 850mm