Wilson Electronics 867501 RF Signal Detector: * Detects and displays available signal frequency, bandwidth and strength * Works with 700MHz, 800MHz, 1900MHz and 2100MHz (AWS) spectrum bands * Configurable with a variety of Wilson antennas * Detects available signal indoors or outdoors * Switches easily between frequency bands and channels * Allows installer to precisely position directional antennas for optimum performance * Maximizes signal coverage indoors