The University of Washington is developing a technology for collecting wireless signals for charging electronic devices. This technology is called PoWiFi (Power over Wi-Fi). The team modified the wireless router to make a custom wireless signal that can be "captured" by the electronic device and converted to direct current to charge the device. In fact, the concept of charging the device through wireless signals is not new, but PoWiFi technology can effectively use existing hardware such as wireless routers, and the transmitted signals can also be used for wireless data transmission to be recognized by ordinary devices. However, due to FCC regulations, wireless signals carry a maximum of 1 watt of power, so this technology is not suitable for the charging of such devices as smart phones (more than 5 watts). However, for a low-power device such as a fitness bracelet is still very suitable. A successful application is to provide power to the camera through wireless signals. The PoWiFi router is about 5.2 meters away from the camera, and it takes 35 minutes to charge one shot. The Wi-Fi signal's data speed is not affected. Elevator Modernization,Elevator Modernisation,Elevator Modification,Lift Modernization Suzhou Stable Trade Co., Ltd , https://www.stable-elevator.com
University of Washington Develops Wireless Signal Charging Technology for Devices