BJ-W5 Wireless Hand-held Voting System

System Overview

By the BJ-W5 wireless voting unit, the participant can realize registration ( by button pressing, inserting card, supplementary registration), voting ( Yes/No/Abstain, or the customized voting way by software), evaluation( Good, Fair, Poor and Abstain or the customized way by the software), election( elect one or more from M candidates), Grading( 0-100 points). The system can automatically collect the statistic of voting, election, evolution, and display the results on the big screen, projection screen and other display devices. The results can also be printed or burned into CD to preserve.



Xiangzhou Political 

Service Center

 Lucheng County 

People's Congress

 Zhijiang City 

People's Congress

BJ-W5 Wireless Voting Unit


  • Unique wireless on-site online environment detection and frequency selection, ensure the system avoid any interference;
  • Two registration ways, button pressing or inserting card.
  • Software customized voting or evolution ways
  • OLED display screen, humanistic human-machine interaction
  • Automatic alarm when the system is faulty
  • Low power consumption, low emission power, comply with the global electrical design and communication design standard
  • Lithium battery or AAA battery, real-time detection of battery level, dynamic display, low battery alarm
  • Automatic memory of voting result when power cut off
  • Isolated touch switch, anti-30000V electrostatic interference
  • Anti-violation and it can normally operate after dropped from 2 meters high
  • Software can turn off all voting units together
  • Immune to mobile signal jammer
  • Utilize wireless digital communication way


♦Attendance Registration: inserting card, key-press, supplementary registration; late delegate can vote supplementally; count “ number of supposed attendance”, “number of real attendance”, “number of absence”

♦Voting: delegates can vote for “Yes” “No” “Abstain” or the customized voting way by the software. Computer automatically collect statistic and display the result。

Single voting and multiple voting

Effective first press-key or effective last press-key 

♦Election: elect one or more from candidates with the support of “single-candidate election” and “multi-candidate election”

♦Evaluation: four buttons to evaluate. It comes with four choices “Good”, “Fair”, “Poor”, “Abstain”, or the customized evaluation way by software.

♦Grading: From 0-100 points, the initial score is 80 points, press “Yes” to increase points and “No” to reduce points.

♦LCD Dynamic display of the voting process( such as “ registration please, registration done, voting please, voted , please return” and etc)

Multiple encryption and err correction during the data transmission

Unified shutdown by software or automatic shutdown when it has not received signal for 4 hours, ensure the voting process by avoiding human misoperation

Technical Specifications

Frequency range


Channel transponder


24 selectable channels

Registration methods


Press-button or insert card

Communication method

10mW wireless communication with confidential agreement + multi-verification

Stable communicating distance




LCD screen



128×64 dot-matrix display
OLED display

Battery display

Real-time display, low-level alarm

Battery specification

Lithium battery or three AAA batteries,

Service time

>26 hours (Lithium battery)


Aluminum carry case



Net weight

0.13Kg(excluding batteries)

operating temperature


Storage temperature


ZJ-W5  Wireless Base Station Unit

Wireless base station unit has A/B output channels. As one channel is out of the service, it can use the backup channel to ensure the conference is normal; it comes with the signal detection function, it can automatically scan the wireless environment of the conference scene and select the best communication without any interference, ensure the stable operation; Single standard equipped base station unit can support up to 200 wireless voting units. The maximum capacity of the system is up to 4096 units. 


  • Channel detection and channel selection, chose the not-interference channel to ensure stable communication
  • Double Units backup functions to ensure stable operation of the system
  • Different antennas for different distance
  • Single base station can control up to 200 wireless voting units
  • Flexible deployment in accordance to the conference environment
  • Fashion appearance design



  • A/B 485 interfaces for larger system
  • With up to 200 voting units, it can connect with the central controller to support 4000 voting units
  • With A/B 232 interface, it can be connected to PC
  • Antenna connectors for A/B channels to connect small size or medium size antenna
  • With 232 detection interface and detection antenna connector, detect the wireless signal on site.
  • A/B channel selection switch

ZJ-K1 Wireless Voting Central Controller

Wireless Voting Central Controller is the extended equipment when more than 200 voting units is used or when the connection distance between PC and the base station is more than 15 meters. It can support up to 4096 voting units. 


4 RS-232 interfaces to connect to PC

4 RS-485 interfaces to connect to the base station and supply power;

Control up to 4 base station units


Technical Specification

Working voltage

Input AC 220V±10%, 50/60Hz


Output DC 12 V



Dimension( W×D×H)


Working temperature


Storage temperature




Function Indicators

 Ftont side:

1, Power ON/OFF

Back side:

2, 4 RS-485 serial communication interfaces( 7-pin interface);

3, 4 RS-232 serial communication interface(DB9) to connect to PC;

4, Power supply interface, AC220V±10% 1A;

GX-60B  Charging Case 


◆ Aluminum storage flight case for charging & storage

◆ Microprocessor-based smart charging circuit

◆ Accommodates up to 60 receivers

◆ Independent LED indicators for charging status

◆ Less than 2.5 hours are needed to fully charge 60 units

◆ Fully charged units can remain in the case

◆ 2 butterfly locks, wheels and 3 handles,easy to carry


Technical Specifications

Power input               AC 100-240V, 50-60Hz, 220W

Power output             5V, 20A

Charging status indicator   Charging(red light)

                                              fully charged(green light)

Operating temperature      0-45

Storage temperature         -20-50

Dimensions (W x D x H)      686×433×235mm

Net Weight                            14.5 Kg

System Diagram