WHIS Competition device to replace the device for the rider (Student). This device has the letter “A” in the display when the device is turned on. This device is only suitable for the Competition Pro Set and the Competition Set with updated software.

Some of the WHIS Competition devices are equipped with the A/B-software. After booting the devices, the letters A and B, or the letters M and S (standard software) appear.

If desired, the Competition Sets with A/B software can be linked to the WHIS Wireless 2-way with talkback function.

The Competition Sets with M/S software can be linked to the WHIS Wireless.