The bt diverse 7410 trio plus is one of the top of the range cordless phones in the rangethe bt diverse 7410 cordless is very reliable and easy to use making it an ideal office phone or can even be used in the homein total up to 5 handsets can be registered to the bt diverse 7410 ideal for locating in other rooms around the building the typical range of these phones is 50m indoor and the compatible 7410 handsets are the bt diverse 7400 or the bt diverse 7200 robust cordless phonebuilt into