R20K-2 2-Wire SIP Video Door Phone

Palm-Size Door Phone Certified for Outdoor Usage

Space-saving and highly compatible, Akuvox R20K-2 is a compact 2-Wire SIP video door phone with a numeric keypad. It is typically used in apartment and office building retrofitting.

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R20K-2 <span>2-Wire SIP Video Door Phone</span> - Image 2
R20K-2 <span>2-Wire SIP Video Door Phone</span> - Image 3
R20K-2 <span>2-Wire SIP Video Door Phone</span> - Image 4

Description

Additional information

Physical & Power

Front panel: Aluminum alloy

Camera: 2M pixels, automatic lighting

Keypad：Yes

Light sensor: Support

Infrared sensor: Support

Wiegand port: Support

RS485 port: Support

RF card reader: 13.56MHz (with NFC) & 125kHz

Relays out: 1

Inputs: 1

Microphone: -40dB

Speaker: 4Ω / 3W

Power Interface：1

Power supply：48VDC two-wire power supply

Water-proof & Dust-proof: IP65

Installation: Flush-mounted or Wall-mounted

Flush-mounted DIM: 226x108x52mm

Wall-mounted DIM: 185x85x29mm

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: 1/2.7”, CMOS

Pixels: CIF, QCIF, VGA, 4CIF, 720p, 1080p

Video codec: H.264

Video resolution: up to 1920x1080p

Max. image transfer rate: 1080p – 25fps

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
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)
Application Scenario

Office door phone with on-site or hosted IP-PBX

Remote site entry over Internet

Apartment/flat intercom with door access control

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