Reliable, robust and easy to use, the Ascom p71 is a messaging unit specially developed for work places where urgent situations require immediate action. One of the most prominent features of the Ascom p71 is its size. The messaging unit is large enough to display messages clearly and small enough to be easy to carry. The p71 is available in two versions; basic and advanced. The basic version is a one-way text message receiver, ideal for environments and situations where you need to get your message across quickly and simply. The advanced version has a two-way messaging functionality and a large backlit LCD display. Both Ascom p71 versions can be programmed to receive vital information from machines, building automation systems, alarm systems etc. The Ascom p71 is also available in an ATEX version approved for use in potentially explosive environments.