Andrew Telecommunications Pvt Ltd. Supplies Remote Electrical Downtilt [RET] System. Andrew Telecommunications Pvt Ltd. Supplies solutions that serve traditional wireless networks, third generation technologies, triple-play [voice, data, and video] services, and specialized applications for microwave communications systems. The Remote Electrical Downtilt [RET] System is used for managing AISG compatible components, such as variable electrical down tilt base station antennas. The Remote Electrical Downtilt [RET] System is a smart, green Solution for best network quality and provides full network visibility and network control for quick, easy, convenient, and low cost site optimizations.