Check the listing for details. U6 In-Wall Surface Mount Junction Box Enclosure for Unifi U6 IW Access Point. Color: White, Condition: New. Listed at 15.99 USD. This box allows you to surface mount the Unifi U6 IW (In Wall) access point. The U6-IW is designed to mount onto a box within your wall, but not all applications allow for this. Our uniquely designed enclosure gives the space needed for the bump out on the back of the AP plus the ethernet connection.