DECT frequency 1880 - 1900 MHz (EU/ANZ/UK SKU) Range - Indoor: up to 50 m - Outdoor: up to 300 m - Range increases by up to 50 m or up to 300 m depending on environment as a base station or repeater is added Cell features - Single cell (base station) / dual cell (2 base stations) Number of supported handsets: - Up to 20 Number of simultaneous calls: - Up to 10 (single cell) / up to 20 (dual cell) Base station power supply - External universal AC adapter (5 V DC, 2 A) - Power over Ethernet (PoE) Includes - Base station - Charging base - Ethernet cable - AC adapter - Wall mounting set