The bt dect repeater extends the range of your compatible bt digital cordless telephone by up to 50 metres indoors and up to 300 metres outdoorsit is wall mountable easy to use and installation is easy too with no wiring required just plug it into the mains and register to your bt base station it is possible to register more than one repeater to a bt base station should you want to extend the range in different directions making it ideal for home office or warehouseat launch march