The electronic radio door operator for integration into the DuoFern radio system. Using the light barrier available as an accessory, it can be conveniently controlled from anywhere in the world via smartphone, tablet or PC in conjunction with the HomePilot (Art. No. 1343986). It can also be operated remotely via DuoFern transmitters. Thanks to 900 N tractive force, the door operator can be used universally for all common up-and-over and sectional doors. At 19 cm/s, it is extremely fast in the OPEN movement and thanks to the 90° rotatable drive unit, it offers flexible installation options. A quiet toothed belt drive ensures reliable power transmission. It offers extensive convenience features such as automatic force learning, automatic door closing, soft-start/soft-stop, adjustable drive-up speed and a backjump function that relieves the system and enables easier emergency unlocking. The garage door opener is equipped with obstacle detection with reversing function. It has an internal emergency release for manual operation in case of power failure. It offers the possibility to connect an external push button. The operator is supplied with two 2-channel micro handheld transmitters and an external release.