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SV-WA1000（無線表決系統--主控機）
SV-WA1000 (Wireless Voting System- Master Device)
跳頻：64頻點 ；
電源：DC 9V  0.5A；
工作環境（溫度）：－20 ℃—＋50℃
連接方式：標準RS232或RS422；
與表決器最遠穩定通訊距離：500米；
主控機最大容量：單台主控機：標配250台表決器；最大容量1000台表決器；
安全性能：具主通訊端口、備用通訊端口和會場信號測試端口，主通訊端口出現故障可快速啟用備用通訊端口；
信號檢測：會前、會中、會后對會議現場無線信號進行實時檢測；
天線：小號：高120mm；中號：高940mm；大號：高2000mm；
通訊端口接口：航空接口。
包裝方式：鋁箱便攜式包裝；
供電：輸入AC220V 1A，輸出DC 12V ，採用RS422連接方式可直接給無線主控機供電。
標配容量：最多可連接250台無線主控機
工作環境（溫度）：－20 ℃—＋50℃
連接方式：標準RS232和RS422
Frequency hopping: 64 frequencies;
Power supply: DC 9V 0.5A;
Operating environment (temperature): －20 ℃—＋50℃
Connection method: RS232 standard or RS422 standard;
Longest stable communication distance to the voting machine: 500m;
Maximum capacity of the master device: the standard amount of voting machines for a master device is 250, and the maximum capacity is 1000 voting machines;
Safety performance: with master communication port, standby communication port and meeting place signal testing port. The standby communication port is quickly adopted when the master communication port is broken down.
Signal test: conduct real-time test of the wireless signal in the meeting place before, during and after the meeting.
Antenna height: small model: 120mm, medium model: 940mm, large model: 2000mm.
Communication port interface: aeronautic interface.
Packing method: portable packing in aluminum cases.
Power supply: input: AC220V 1A, output: DC 12V. The RS422 connection method is adopted to supply the power directly to the wireless master device.
Standard capacity: connect to 250 wireless master devices at most.
Operating environment (temperature): －20 ℃—＋50℃
Connection method: RS232 standard or RS422 standard

                                                               
SV-WB1000（無線表決器）   天線SV-WD1000
 (Wireless Voting Machine)       (Antenna ) 
跳頻：64頻點互轉；
工作環境（溫度）：－20 ℃—＋50℃
系統最大容量：10000席
連續表決按鍵次數：100000次；
通訊方式：無線通訊，保密協議+多重校驗；
液晶參數：12864；FSTN反光；點陣顯示表決器號碼，頻道信息，電量顯示，
表決/報到信息；
電
池電量顯示：動態顯示，低電量報警；
靈敏度：-121dBm；
發射功率：<10毫瓦；
單台通訊收發時間週期：60毫秒；
包裝方式：鋁箱便攜式包裝；
關機方式：通過系統軟件髮指令關機或在無信號接收1小時后自動關機；
信號顯示：表決器在通訊狀態下，具有信號強度顯示；
報到方式：按鍵
表決方式：可設定為第一次按鍵有效或最後一次按鍵有效；
Frequency hopping: 64 frequencies inter-conversion;
Operating environment (temperature): －20 ℃—＋50℃
Maximum capacity of the system: 10,000 seats
Durable times of the voting button to be pushed continuously: 100,000 times;
Communication method: wireless communication, confidential protocol+ multiple levels of checking;
Parameters of the LCD display: 12864; FSTN reflection. The dot-matrix display shows the number of voting machine, channel information, electricity quantity, voting/checking in information;
Battery electricity quantity display: dynamic display, give warning when the electricity quantity is low;
Sensitivity: -121dBm；
Transmitting power: <10 mW;
Receiving and transmitting cycle of a unit: 60 ms;
Packing method: portable packing in aluminum cases;
Turning off method: turned off by the instruction of the system software or automatically turned off when no signal is received in 1 hour;
Signal display: when in the communication state, the signal strength can be displayed on the voting machine.
Checking in method: by pushing a button.
Voting method: can be set as that the first time to push a button is effective or the last time to push a button is effective;