28002212 CONTR TR CAS>DA0 #bDW Module Radio module for controlling dimmable LED drivers via DALI interface; optional integration of standard momentary-action switches into the radio system; mains voltage range 220 – 240 V; operating frequency 2.4 – 2.483 GHz; max. output power of radio receiver + 4 dBm; ambient temperature ta -20... +50 °C; dimensions L x W x H: 56.5 x 35.8 x 22.3 mm; degree of protection IP20