DSSS Wireless Voting System (BJ-W4)

BJ-W4 DSSSWirelessVotingSystem SystemFeatures: DirectSequenceSpreadSpectrum(DSSS)technology128bitAESencryptiontechnologytoensuredataconfidentialityOmni-directionaltransmissionfreefromexternalradiointerferenceEthernet-basedcommunicationandhigh-speeddatatransmissionSystemcapacityupto10,000votingunits ZJ-RFB01 DSSSControlUnitFrequencyrange:2.4-2.48GHzModulationmode:DSSSPower:DC9V/2.5ACommunicatingmethod:EthernetHighgainantennaStablecommunicatingdistance:≥100metresNetworkinterface:10/100MCabletype:6-pindualcore-twisted BJ-W4 DSSSWirelessVotingUnit Features: AutomaticalarmwhenthesystemisfaultyAutomaticmemoryofvotingresultwhenpowercutoffLowpowerconsumption,lowemissionpowerIsolatedtouchswitch,anti-8000VelectrostaticinterferencePoweredby3.7VrechargeableLithium-ionbatteryLowbatteryalarm Functions: AttendanceregistrationbyICcardandREGkeypress.Voting:YES/ABST/NO,firstkeypressvotingandandfinalkeypressvoting.Election: elect one or more out of N candidates, with ‘competitive election’ , 'equal number election’ and ‘quick election’.Evaluation:4-keyevaluation:'Good','Fair','Poor'and'Abstain'.Grading:scoreonacertainissue(0-100points),YESkeyforpointsadding,NOkeyforpointsdecreasingLCDdynamicdisplayofthevotingprocess TechnicalSpecifications: Frequencyrange:2.4-2.48GHzSensitivity:-121dBmUpto16selectablechannelsBack-litLCDscreen:34×22mm;96×64dot-matrixdisplayBatterytype:rechargeable3.7V Lithium-ionbatterypackStablecommunicatingdistance:50mDimensions(WxHxD):148×16×27.5mmNetWeight(withoutbattery):0.13kg