The Panasonic KX-A406 Wireless DECT Repeater covers an area of the base unit is approximately 300m outdoors and 50m indoors, depending on the environment. Because some users require greater coverage, the system can include an optional wireless repeater, the KX-A406, which can expand the practical communication area to around 200m indoors.Panasonic KX-A406 Key Features

• Compatible with wideband audio
• Up to 3 units installable with a cascade connection
• Up to 4 calls simultaneously
• Up to 6 units can be registered to the KX-TGP600