Specification At a Glance Ultra-clear, stylish appearance Thin profile and small footprint 7-inch capacitive touch screen with energy saving mode Two-way audio communication with other units in the network Complies with SIP standard for easy integration in every SIP capable PBXes Powered by PoE or external source Support US or European electrical wall box mounting Physical & Power Front panel: Plastic RAM / ROM: 64MB / 128MB Display: 7 Inch TFT LCD Screen: 7 Inch capacitive touch screen Wi-Fi: IEEE802.11 b/g/n, @2.4GHz RS485 port: Support Relay out: 1 Bell in: 1 I/O: 8 Microphone: -58dB Speaker: 4Ω / 2W Ethernet ports: 2xRJ45, 10/100Mbps adaptive 802.3af Power-over-Ethernet 12V DC connector (if not using PoE) Installation: Wall-mounted & Desktop Dimension: 200.2x132.2x27.2mm Working Humidity: 10~90% Working Temperature: -10°C ~ +45°C Storage Temperature: -20°C ~ +70°C Touch Screen Display Display Mode: Normally white, Transmissive LCD Size: 7inch (Diagonal) Resolution: 800x480 Contrast ratio: 500:1 Luminance: 220 cd/m2 Viewing Angle: 50° Left, 50° Right, 40° Upper, 50° Lower Touch Screen: Projected capacitive Audio SIP v1 (RFC2543), SIP v2 (RFC3261) Narrowband audio codec: G.711a, G.711μ, G.729 Broadband audio codec: G.722 DTMF: Out-of-band DTMF (RFC2833), SIP Info Echo Cancellation Video Streaming formats: H.264