Portable chargers Portable chargers are the best choice for travel and outdoor activities. Not only is it small and lightweight, but it can charge quickly, so that your phone and electronic devices will not run out of power at the crucial moment. Wireless routers Wireless routers allow you to access the Internet wirelessly in your home or office, allowing you to connect to the Internet anytime, anywhere. Not only does this make your life easier, but it also allows you to get your work done more efficiently.
TP means twisted pair (twisted pair, TP), which is the most commonly used transmission medium in the integrated wiring project, and is composed of two copper wires with an insulating protective layer. Two insulated copper wires are twisted together at a certain density