R20B Compact SIP Video Door Phone

Multi-button Door Phone for Limited Space

Certified for outdoor usage and easy to install, Akuvox R20B is a compact SIP video door phone with up to 5 call buttons. It is typically used in villas, houses and apartment buildings.

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Description

Additional information

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 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 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: -40dB

Speaker: 4Ω / 3W

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, 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: 1/2.8”, CMOS

Pixels: CIF, 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 picture lighting during dark hours with internal light sensor

Compatible to 3rd-Party-Video components, e.g. NVRs
Networking & Protocol

Protocols support: IPv4, HTTP, HTTPS, FTP, SNMP, DNS, NTP, RTSP, RTP, TCP, UDP, ICMP, DHCP, ARP
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
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)

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