Suitable handheld transmitter for the 3-channel receiver module, item no. 19 26 35. The handheld transmitter is designed for extremely long ranges of up to 1000 meters in open fields under optimal conditions. Range reduction can occur due to magnetic interference fields, any type of buildings, and devices that produce interference radiation. Up to 3 different functions can be controlled remotely. Multiple assignments are also possible, meaning that multiple receivers can be operated with a single transmitter. A coding switch allows for 6561 coding options to be set. The device has general approval in the EU and Switzerland.