Sunvote CRS-S50 Classroom Response System

CRS S50
1. Enclosure

Rugged ABS plastic shell, firm & durable, credit-card size, fashionable sling optional

Size: 92mm ×54mm × 8mm L×W×H

Weight:32g(NW. exclude battery)

Color : White ( other colors available. Cost Premium, minimum order quantity, and special terms apply)

2. User Identification:

Each keypad has a unique ID number between 1-9999.

Each keypad ID no. can be remote modify and setting through our software

The keypad ID no. will be transmitted with each keypad's response as the identification.
user's No. or name(only support English or Pingyin) can be inputted for software’s user automatic identification

Through the match setting between base station and keypad, multiple Base stations working at the same time available, and not interfere with each other

3. judge/vote button
11 numeral/alphabet/character multi-purpose button: (09/AJ and decimal point button
1 input type switch button
1 menu function button
Customized input button is acceptable (Cost Premium, minimum order quantity, and specialterms apply)

4. Display. Display
128 x 48 dot matrix black-and-white graphic LCD display, Visible area size: 38mm×16mm
Fixed display: channel No., keypad ID, Signal strength, low battery symbol, communication indicator
Dynamic display: support Chinese and English operation tips and user press button status
Show successfully submitted while base station received keypad’s data correctly

5. RF technology5. RF technology
Adopting multiple channels, micro power two way RF 2.4GHz digital communication technology,
Customized other frequency products is acceptable (Cost Premium, minimum order quantity,and special terms apply)
Using SunVote special communication protocol, Typical features as follow:
Confidential   reliable:   A   number   of   proprietary   technology   to   ensure   that   the   wireless communication between keyboard and base station is confidential reliable
Bi-directional confirmation: While keypad data been received successfully, base station willreturn a confirmation message to keypad as tips
Online submit: Adopt rapid wireless communication rate, dynamic online submit data
All keypads can be online tested automatically, the working status information can be feedback  
Standard integration including 32 channel for switching, Good anti-interference, the quantity of channels can be increased
Keypad with built-in Omni-direction antenna and difficult to damage, The impact of physical to transmission distance is small

6. Communication range6. Communication range
Indoor:30Mx30M    (100 x100 Feet)
A room’s geometry, radio propagation characteristics, and proximity to RF interferers will influence actual range experienced. It is better to put base station in a high level place
Other items have further communication distance, please check different item’s technology specification or call us for detail.

7. Communication speed7. Communication speed
Simple question(judge/single choice/numeral/sort/fill in blank): The system can response 10 to 50 keypad’s data each second
For more information about the base station, please refer to the technical spec. of C1000

8. Power and power management:
Using 2 pcs replaceable button battery, Type CR2032. Single battery also can be used  
Auto power off function, can achieve over 20000 times response by practical testing (use GP or Maxell battery).
Standby time is 1 year (use GP or Maxell battery).
Support remotely power off via software
The battery compartment cover can be screwed down, which is convenient for rent and children occasions.    
Standby Electric current <5uAaverage working current<4mAmax working current<32mA
Simulate voting can working till over 80 hours,(vote 1 time each 20 seconds, till it’s unable normal work)

9. Reliability:
Built-in store chip, can store setting information even Power outages such as: scientific name, name, keypad No. previous frequency point and so on  
Support keeping online test’s answer data while Power outages, data will not lose after power off.
The communication data between remote and base station is double send-receive, check,double confirm  
Communication devices such as Mobile and Mobile phone shielding device have no effect on remote.    
2.4G devices (such as wireless router) can be used at the same time by adopting different channels
Auto-reminder while keypad offline.

10. Base station’s capacity and expansibility
Recommend within 100pcs, each base station can max supports 400 keypads  
Max support 32 sets system used at the same time, and not interfere with each other
Can extend capacity according to customer’s requirement, (Cost Premium, minimum order quantity, and special terms apply)

11. Secondary development support:
Support completely new SunVote CRS SDK 2010 SunVote CRS SDK 2010 secondary development software kit    
SunVote CRS SDK 2010 SunVote CRS SDK 2010
Support completely new SunVote CRS SDK TTSunVote CRS SDK TT test device software
SunVote CRS SDK TTSunVote CRS SDK TT

12. Certificate & Maintenance:
FCC, CE,ROHS, for details please consult us.
1 years (limit maintenance, component and manpower), for details please consult us.

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