The 18x16x8 is the largest NEMA-rated enclosure for outdoor use GNS Wireless stocks without the need of extended lead times.  This box is rugged enough for extreme weather or vandal situations.  It includes a lockable hinged cover, and comes standard with a mounting plate and 4x 120V AC power outlets.  Options like vented, heated and cooled are available.  Contact GNS Wireless for more information.