R28

SIP Video Doorphone

Akuvox R28 is a SIP video doorphone with a numeric keypad. It is typically used in apartment buildings.

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Specification

  • At a Glance

    Vandal resistant body, with flush buttons;
    Wide-angle camera: 116° (H), 60° (V);
    PoE (IEEE802.3af, Power-over-Ethernet);
    Two-way audio communication over IP networks with Echo Cancel 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
    Display: 4.3 Inch, color TFT LCD
    Camera: 2M pixels, automatic lighting
    Numeric keypad with extra buttons
    Light sensor: Support
    Infrared sensor: Support
    Wiegand port: Support
    RS485 port: Support
    RF card reader: 13.56MHz & 125kHz
    Relays out: 3
    Inputs: 3
    Microphone: -40dB
    Speaker: 8Ω / 2W
    Power out: 12V/400mA
    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 & Wall-mounted
    Flush-mounted DIM: 280x130x68mm
    Wall-mounted DIM: 280x130x38mm
    Working Humidity: 10~90%
    Working Temperature: -40°C ~ +55°C
    Storage Temperature: -40°C ~ +70°C
  • Audio

    SIP v1 (RFC2543), SIP v2 (RFC3261)
    Narrowband audio codec: G.711a, G.711μ, G.729
    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: 1/2.7”, CMOS
    Pixels: CIF, QCIF, VGA, 4CIF, 720p, 1080p
    Video codec: H.264, H.265
    Video resolution: up to 1920x1080p
    Max. image transfer rate: 1080p – 30fps
    Viewing angle: 116°(H) / 60°(V)
    High intensity IR LEDs for picture lighting during dark hours with internal light sensor
    Compatible to 3rd-Party-Video components, e.g. NVRs
  • Door Entry Feature

    Relays controlled individually by DTMF tones
    Camera permanently operational
    Auto-night mode with LED illumination
    White balance: auto
    Minimum illumination: 0.1LUX
  • Networking & Protocol

    Protocols support: IPv4, HTTP, HTTPS, FTP, SNMP, DNS, NTP, RTSP, RTP, TCP, UDP, ICMP, DHCP, ARP
  • Deployment & Maintenance

    Auto-Provisioning
    Web management portal
    Web-based packet dump
    Configuration backup / restore
    Entry log export
    Access table export / import
    Firmware upgrade
    System logs (include door access logs)
  • Application Scenario

    Office door phone with on-site or hosted IP-PBX
    Remote site entry over Internet
    Apartment/flat intercom with door access control
Note: The specification above is for R28A only. To learn about the specification of other models, please download the datasheets at the Download Center.

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