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HELIA Technology Report
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- 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: 1
- Speaker: 1
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 R28A enables you to easily monitor an entrance door or gate and gives you the peace of mind knowing that your facility is more secure.
- Vandal resistant body, with flush buttons;
- Wide-angle camera: 116º (H), 60º (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
- 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
- Wideband 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
- Video resolution: up to 1920x1080
- 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)
- Office door phone with on-site or hosted IP-PBX
- Remote site entry over Internet
- Apartment/flat intercom with door access control