Cisco 8861. Product type: IP Phone, Product colour: Black, Silver, Mounting: Desk/Wall. Volume control: Digital. Display diagonal: 12.7 cm (5"), Display resolution: 800 x 480 pixels. Wi-Fi standards: 802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n), Bluetooth version: 3.0+HS, Supported network protocols: IEEE 802.3i/802.3u/802.3ab/802.3af/802.3at. Width: 257.3 mm, Depth: 40 mm, Height: 229.1 mm