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.
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.
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
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)
Application Scenario
Office door phone with on-site or hosted IP-PBX
Remote site entry over Internet
Apartment/flat intercom with door access control