Dimensions 250x185x120 mm (LxWxH) Display 4" High resolution graphical display 384 x 128 pixels Second display for self-labeling LED keys Weight 880g Colour Black Power over Ethernet class IEEE 802.3af, class 3 Freely programmable keys 12 (48) configurable self-labeling LED keys Total amount of physical keys 46 Interfaces Network connection 2-port Gigabit Ethernet switch (RJ45) Wireless technologies Support for USB WLAN stick 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