The Zebra AN650 Ground RFID Antenna is ideal for tracking RFID tags as they pass through doors and other obstructions. The AN650 features an ultra-low profile design that allows it to blend in with almost any surroundings and be disguised behind a mat or other covering. The AN650 antenna is just 8 mm thick and can sustain weights of over 440 lbs, making it ideal for applications such as tracking conference/trade show attendees, employee/people tracking, loyalty marketing, and race timing.