Dimensions 238 x 190 x 40 mm (LxWxD) w/o foot stand 238 x 190 x 200/220 mm (LxWxD) with foot stand Display 3.2" Backlit graphical display, 4 lines 128 x 48 pixels Weight Phone 670g, Footstand 230g Color Black Power over Ethernet class ( PoE ) IEEE 802.3af, class 2 Freely programmable keys 18 programmable function keys with multicolor LEDs Total amount of physical keys 51 Interfaces Network connection 2-port Gigabit Ethernet switch (RJ45) Wireless technologies USB WLAN stick support USB 1 x USB 2.0 host port, Type A Power supply PoE or 5V DC power adapter Headset support 4P4C connector, USB support for Snom EHS Advanced Environmental Conditions Temperature Ambient: 0°C to 35°C (32°F to 95°F) Storage: -10°C to 45°C (14°F to 113°F) Humidity 5% to 95% (non-condensing) Homologation Type approval CE Safety IEC 60950