Profile: Ketec, Inc. specializes in of self-installed radio frequency (RF) style electronic article surveillance systems and accessories. our product line includes deactivators, accessories, systems, labels and hard tags. Our K2I deactivator is a state of the art label deactivator used at the point of sale. It has the electronics built into the counter top pad. The installation consists of placing the deactivator on the counter and plugging into a standard outlet. It is 7/8" inch, 24.45cm in width with 24.45cm depth. Our challenger system is designed to blend with any color or décor. Like all standard systems a single aisle system consists of a transmit antenna and a receive antenna. The type of label or hard tag being used to protect the merchandise determines the distance between antennas.