The ClearRF 4G LTE M2M Cell Signal Amplifier, WRE5500-S is a cellular amplifier designed by Clear RF. It includes a signal booster and has a cable length of 2 meters. This product is ideal for improving cell phone reception in areas with weak signal strength, ensuring a more reliable and consistent connection for various devices. Perfect for use in vehicles, buildings, or remote locations, this amplifier helps enhance the cell phone signal for better call quality and internet connectivity.