The Samsung 4G LTE Network Extender 2 Model # SLS-BU10B is a black signal booster designed for Verizon network users. It is a wireless repeater with a matte finish and a compact clip mounting type for easy installation on a desk. This unit, made of plastic, comes with a 10 ft cable and has one port for connectivity. It is lightweight, measuring 10 inches in length, 2 inches in height, and 6 inches in width, making it suitable for indoor use only. This signal booster is compatible with Samsung and Verizon devices, featuring version 3.1.5.01.