15meter reading distance parking access control system bluetooth reader

15meter reading distance parking access control system bluetooth reader Main features: 1. Optical excitation, CDMA, sleep/wake up, wireless communications, CPU automatic recognition and so on cutting-edge high-tech crystal 2. Adopt 32bit Cortex-M3 Micro processor 3. High Reading speed, card can be read in 10-40 km/h without vehicle stop 4. Long range reading distance, 1-15 m(adjustable) 5. With good directivity, optical excitation range can be up to 120° 6. Advanced CDMA