... Tour System, Guard Patrol System, Guard Patrol Device, Guard Tour Reader, Patrol System, Security Patrol System, Patrol Reader, Guard Tour, Patrol Device, rfid guard ... speed communication design, communication speed is 100 times of the serial communications, data read 20,000 in 1 minute. ... reader technology. 9. 4M Flash memory: data storage recorded the largest number of 30,000. 10. Security: 30 years ...