The Nokia ARMA 474803A is an AirScale 5G base station Remote Radio Unit RRU used for wireless communication. It is part of Nokia's AirScale Radio Access solution, which enables efficient and high-performance 5G connectivity. The NOKIA 474803A RRU supports multiple frequency bands and provides advanced features to enhance network coverage and capacity. It is designed to deliver reliable and high-speed 5G network performance in various deployment scenarios.