A compact 800w RF dimmer for DALI digital fluorescents. The unit is connected in-line before the first light fitting, to enable dimming of up to 800w of DALI dimmable loads. Can also be used for other DALI control applications, such as DALI controlled low voltage transformers and DALI controlled LED transformers. Controlled from any Rako Rakom RF device, for example the RCM/RCP push button RF wall plate.