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Akuvox R28 Smart Door Phone – Compact Access Control

Overview

The Akuvox R28 is a durable and feature-rich SIP video door phone with a numeric keypad, designed to provide secure and convenient access control for residential and commercial properties. Its robust aluminum body, wide-angle camera, and seamless IP integration make it an excellent choice for apartment complexes, offices, and gated communities.


Key Features

  • 4.3-inch color TFT LCD display with numeric keypad
  • High-definition 2MP camera with 110° wide-angle view
  • Infrared LEDs for night vision
  • Two-way audio communication with echo cancellation
  • Multi-factor authentication with card, PIN, and NFC
  • Weatherproof IP65 and IK-rated housing
  • Power-over-Ethernet (PoE) for simple installation
  • ONVIF-compliant video streaming

Specifications

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 Dimensions: 280x130x68mm
  • Wall-mounted Dimensions: 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
  • 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, QCIF, VGA, 4CIF, 720p, 1080p
  • Video codec: H.264
  • Video resolution: up to 1920x1080p
  • Max. image transfer rate: 1080p – 30fps
  • Viewing angle: 110° (H), 58° (V)
  • High-intensity IR LEDs for night vision with internal light sensor
  • Compatible with 3rd-party video components, e.g., NVRs

Door Entry Features

  • 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 supported: 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 (including door access logs)

Application Scenarios

  • Office door phone with on-site or hosted IP-PBX
  • Remote site entry over Internet
  • Apartment/flat intercom with door access control

Why Choose the Akuvox R28?

  • Vandal-resistant and weatherproof design with IP65 rating
  • Wide-angle 2MP camera with automatic lighting for clear video calls
  • Integrated numeric keypad for PIN-based access
  • Supports multiple unlock methods: PIN, RFID, NFC
  • PoE support for easy installation and power management
  • SIP and ONVIF compatibility for seamless third-party integration
  • Ideal for apartments, offices, and mixed-use buildings
Akuvox R28 Smart Door Phone front view

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