PM639 Series Enclosoures can serve a wide range of radio and base station equipment such as power plants, routers, base band units, protection, site monitoring and fiber panels. With 39 RU of 19 or 23” rackmount space in both the front and rear, these rugged enclosures are available in many different configurations with an assortment of thermal options for even the most demanding heat dissipation needs. Options include integrated power, protection, fiber management, site monitoring, and electronic access control.