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
