1.General specs:

Works with PCs running MS XP, Vista, and Windows 7.Mac and Linux version available on request.
Transmission distance from handset to receiver: 100 meters radius (328 feet)
Power source: AAA (1.5 volt) batteries for readily available low cost power
System handles up to 3,000 handsets
Impact resistant handsets and instructor controllers designed to withstand accidental drops
Power saver controls turn off handsets after 30 minutes of no use to conserve power and extend battery life. Usual battery life in a classroom setting is two years.
Handset and instructor controller buttons: Positive response buttons (you can feel when you press the buttons) protected by a spill resistant cover.
Receiver connects to standard USB port on a PC
2.4GHz digital RF technology
4 radios channels
Two-way, never jam, never lost
High Speed - 100 audience keypads transmission < ONE second   (similar products may require 5 seconds or more).
Super-Wide-angle signal transmission: 360 degrees angle
ID number changeable (compare to the obsolete ID setting mode of similar products), No need to keep a large stock of student remote. (For resellers)
Up to 100 meters transmission and reception distance
Support cascade and uplink option
Support up to 3000 audience keypads
Easy to install, easy to use
Plug-in software of MS PowerPoint
Support self-paced answering.
Multifunctional instructor controller
USB port or 232 port connection
Third party software supportable OEM or ODM acceptablee

2.About software:

The software is easy to use because it works directly with MS PowerPoint. If you already use PowerPoint you’ll find the familiar formats, icons, and commands. With Sunson Response Systems software you have access to the full range of PowerPoint design templates and features to create interesting interactive slides. You can operate the PowerPoint slides with Sunson’s easy to use instructor controller control. Sunson software allows easy import of graphics into slides, easy import of student rosters and export of data and reports using MS Excel.

Sunson software is provided on a CD with each system and can also be downloaded from the web. There are no licensing charges or per seat fees or additional charges for Sunson software.

14 language versions: Chinese simple, Chinese traditional, English, Portuguese, Spanish, Brazilian Portuguese，Slovenian，Russian, Turkish, Hungarian Korean. Italian and Dutch.
PowerPoint plug-in, easy to learn and use, for the PowerPoint is familiar to many people.
Provides 10 kinds of activity-models for interactive teaching and meeting
Professional statistics analysis engine, automatically produce 10 kinds of reports tracking and recording the process of the activities
Colorful and multiform multimedia questions
Flexible data transformation, analysis results can be presented in html and txt formats.
Statistics data can be exported as xls format.
Prompt diagnosis of teaching effectiveness and improve teaching process
Supports oral, blackboard or paper-based questions.
Auto-recognize function, no need transform of the used PPT slides.
Auto-setting question and options.

3.About instructor controller:

If you are a dynamic teacher or meeting leader and like to move around the room to work with your students, you will enjoy the freedom and convenience of the SUNSON instructor controller control. The built-in laser pointer makes it easy to point to key items on a slide or whiteboard. The remote allows you to operate your PowerPoint slides from anywhere in the room with a compact intuitive remote. Move forward or back through your materials, start or stop a quiz, display the results of a question wherever you are in the room.

LED status
4 radios channels
Laser indicator build-in
Power required: two 1.5 volt batteries
Transmission distance: > 100 meters
Transmission angle: 360 degree
Battery life: > 1 year for ordinary use
Durable and not easily breakable, will not break or damage even drop to the cement ground from 5 meters high.
Easy to use
Maintain full control over every presentation
Present slides, going backwards, forwards, showing charts etc.
Select a user at random to answer a question
Control games procession.
Over 1 year battery life for normal use.
It will enter Power Saving Mode within 5 seconds when is left idle
It's clipper-built, small and exquisite, very suitable for handhold

   4.About student remote:

The RF217 handset is designed for easy use with multiple choice questions (A,B, C, D, E, and F answer options), true/false questions, and yes/no questions.

Two LED lights will indicate the signals sending, received or not. The red LED light indicates the option button is pressed, if the signals has not been received by the system properly, the red LED lights will flashing. The green indicates the signals have been received properly.

The RF217 handset also has an “Instant Response” button (it has the icon of a hand with a raised index finger) that can be used for Jeopardy style games and competitions.

The radio frequency handset communicates with a receiver anywhere in a classroom. Radio frequency systems are ideal for large classrooms or meeting rooms and rooms with pillars or obstructions.

LED status: green and red
4 radios channels
11 Activity modules
Support Self-Paced-Response
ID Address Programmable
Power required: two 1.5 volt batteries
Transmission distance: > 100 meters
Transmission angle:  360 degree
Battery life: > 1 to 2 years for ordinary use
Support fast-ID setup function
Durable and not easily breakable, will not break or damage even drop to the cement ground from 5 meters high
Easy to use
Up to 400 remote controllers can be used at once (enhanced version can supports 3000)
WDT reset support automatic program reset feature 

5.About receiver:

The radio frequency receiver connects to the USB port on a PC. The receiver can be mounted on a desk, wall or ceiling or put on any places without being covered by metal materials. A mounting kit is included with the system.

2.4GHz digital RF technology
4 radios channels
Color:
REC-217A: black, opaque
REC-217B: blue, opaque
REC-217C: white, opaque
Port:
REC-217A: USB port or 232 port
REC-217B: USB port
REC-217C: USB port
Weight:
REC-217A: 0.4kg
REC-217B: 0.1kg
REC-217C: 0.03kg
Size: L*W*H
REC-217A: 137*137*50mm
REC-217B: 100*60*27mm
REC-217C: 104*26*18mm
Operating Temperature: 0-40 degree
Power required: DC12V, 800MA adapter or no extra power required
Operating Relative Humidity: 0-90%
Operating Power: <1mw
Receiving angle: 360 degree
Receiving distance: 100 meters radial
High processing speed - 400 audience keypads'   transmission <3 second
Support up to 400 student keypads (enhanced version can supports 3000)

          Easy to install - use one RJ-45 cable for data & power

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