5ft (1.5m) long braided metal antenna extension cable Extend antenna length by over 5 feet (1.5 meters) Connects directly to your Simtek Sensor and your original wired antenna, when combined you have over 5 feet (1.5m) of length Braided metal cable, extremely strong. Does not reduce performance. 5ft long Perfect for applications needing better signal or stealth, like outside of a gun safe. Connects directly to antenna and sensor. Compatible with original antenna and performance antenna . Close a heavy safe door right on this braided cable without compromising your safe or your antenna signal, or string it out the back. With over 5 feet of length (1.5 meters), easily extend your antenna far away from the target application.