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.
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.
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
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)