BJ-W4  DSSS Wireless Voting System

System Features: Direct Sequence Spread Spectrum (DSSS) technology 128bit AES encryption technology to ensure data confidentiality Omni-directional transmission free from external radio interference Ethernet-based communication and high-speed data transmission System capacity up to 10,000 voting units     ZJ-RFB01  Control Unit Frequency range: 2.4-2.48GHz Modulation mode: DSSS Power: DC 9V/2.5A Communicating method: Ethernet High gain antenna Stable communicating distance: ≥100 metres Network interface:10/100M Cable type: 6-pin dual core-twisted     BJ-W4  Wireless Voting Unit Features: Automatic alarm when the system is faulty  Automatic memory of voting result when power cut off Low power consumption, low emission power  Isolated touch switch, anti-8000V electrostatic interference Powered by 3.7V rechargeable Lithium-ion battery Low battery alarm Functions: Attendance registration by IC card and REG key press. Voting: YES/ABST/NO, first keypress voting and and final keypress voting. Election: elect one or more out of N candidates, with ‘competitive election’ , ‘equal number election’ and ‘quick election’. Evaluation: 4-key evaluation: 'Good', 'Fair', 'Poor' and 'Abstain'. Grading: score on a certain issue (0-100 points), YES key for points adding, NO key for points decreasing LCD dynamic display of voting process Technical Specifications: Frequency range: 2.4-2.48GHz Sensitivity: -121dBm Up to 16 selectable channels Back-lit LCD screen: 34×22mm; 96×64 dot-matrix display Battery type: 3.7V rechargeable Lithium-ion battery pack Stable communicating distance: 50m Operating temperature: -20-50℃ Dimensions (WxH xD): 148×16×27.5mm Net Weight (without battery): 0.13kg     GX-20  Charging Case    Microprocessor-based unit with smart charging circuit  Accommodates up to 20 units with Li-ion battery LED indicator for charging status About 10 hours needed to fully recharge 20 units Units can be left in the case after complete charge AC/DC adaptor with power cord Power input AC100/240V 50-60Hz, output DC5V 8A Dimensions: 59x30x18 cm (WxDxH)     GX-48  Storage Case  Handy locking aluminium/plastic suitcase Designed for carrying/storage of receiver units 48 positions with pre-cut foam Dimensions: 50×33×20 cm (WxDxH)