Detailed Product Description

Specifications: 1) Capacity: 500 doors 2).Up channels: PSTN, GPRS, wireless broadcasting station 3) Up interface baud rate: 1,200 - 9,600 (optional)4) Up communication distance: not limited5) Down interface: low-pressure electric power wire, MBUS, RS232 6) Down interface baud rate: 500bps 7) Down communication distance: a) Trolley wire: <1,000m b) Cable: <500m 8) Signal transfer: semi-duplex9) Carrier wave transferring character: extend frequency communication10) Carrier wave adjust: BPSK 11) Data keeping without power :>5 years12) Spot-copying type: hand hold reader remote infrared13) Power consumption: ≤10W, ≤15VA14) Type: 3-phase 4-wire 3 x 220V15) Working temperature: -10°C ~ +55°C16) Relative humidity: ≤95%17) Average no-malfunction time: 7.6 x 104h