Aquaterr - Metal Box Mounted Irrigation Valve Actuating Receiver - Datasheet
Install in high traffic locations – The radio receiver is securely packaged inside a locked metal box without any protruding objects of temptation to would-be vandals. Non-Line-of-Site radio signals. Line-of-site transmitters have to be able to “see” their receivers. Obstacles like buildings, trees, and hills block transmissions. ...