VS RFII has 15 keys to answer questions or cast a vote. The keypad communicates wireless with the Base Station over a range of 100 meter. Identification, if desired, is possible by using a chip card.
The RFII Base Station is the link between keypads and the software. The Base Station saves the results temporarily during voting. The software controls identification and vote weights, if used. In total 6 channels are available for a maximum of 6.000 keypads. (1.000 per channel). The range of the Base Station is 100 meters.