EM8610 What is the maximum reach of the wireless sensors and RCs? Updated August 08, 2019 13:38 The wireless sensors and remote controls have a maximum reach of 80m in open field. Related articles EM8610 Download Drivers, Software EM8610 What are "zones" (groups) and what do they do? EM8610 What is the reach of the EM8650 motion detector?