R20B Specification Perfect Doorphone choice for daily life The security that comes with being able to control who comes into your building along with the ability to verbally and visually confirm their identity is immeasurable. Akuvox's Video Doorphone R20B enables you to easily monitor an entrance door or gate and gives you the peace of mind knowing that your facility is more secure. At a Glance Five call buttons with name plate; Wide-angle camera: 110° (H), 58° (V); PoE (IEEE802.3af, Power-over-Ethernet); Two-way audio communication over IP networks with Echo Cancellation feature; Complies with SIP standard for easy integration in every SIP capable PBXes; Complies with ONVIF standard for easy integration with any network surveillance system; Physical & Power Front panel: Aluminum alloy Camera: 2M pixels, automatic lighting Buttons: 5 Light sensor: Support Infrared sensor: Support Wiegand port: Support RS485 port: Support RF card reader: 13.56MHz & 125kHz Relays out: 2 Inputs: 2 Microphone: 1 Speaker: 1 Ethernet port: RJ45, 10/100Mbps adaptive 802.3af Power-over-Ethernet 12V DC connector (if not using PoE) Water-proof & Dust-proof: IP65 Installation: Flush-mounted or Wall-mounted Flush-mounted DIM: 226x108x52mm Wall-mounted DIM: 185x85x24mm Working Humidity: 10~90% Working Temperature: -30°C ~ +60°C Storage Temperature: -40°C ~ +70°C Audio SIP v1 (RFC2543), SIP v2 (RFC3261) Narrowband audio codec: G.711a, G.711μ Broadband audio codec: G.722 DTMF: In-band, out-of-band DTMF (RFC2833), SIP Info Echo Cancellation Voice Activation Detection Comfort Noise Generator Video Sensor: 1/2.8”, CMOS Pixels: CIF, VGA, 4CIF, 720p, 1080p Video codec: H.264 Video resolution: up to 1920x1080 Max. image transfer rate: 1080p – 30fps Viewing angle: 110°(H) / 58°(V) High intensity IR LEDs for picture lighting during dark hours with internal light sensor Compatible to 3rd-Party-Video components, e.g. NVRs