Protect Your Family with a Smoke Detector Featuring Wireless In contrast to conventional smoke detectors, a smoke detector with a wireless link interacts with other alarms in the house. These alarms don't require complicated wiring because they connect via radio frequency (RF) signals. Source: https://zippyelectricalsuppliers.stck.me/post/929074/Protect-Your-Family-with-a-Smoke-Detector-Featuring-Wireless