Akuvox R20A Palm-Size Doorphone – Black

The Akuvox R20A is a compact SIP video doorphone, comparable in size to an iPhone XR, engineered specifically for installations in narrow spaces. Its sleek, vandal-resistant aluminum alloy body houses a single flush button, ensuring both durability and aesthetic appeal. Equipped with a 2-megapixel wide-angle camera offering a 110º horizontal and 58º vertical field of view, the R20A delivers clear video feeds, even in low-light conditions, thanks to its automatic lighting and high-intensity IR LEDs. This device supports two-way audio communication over IP networks, enhanced by echo cancellation, facilitating seamless interaction between visitors and residents. Compliant with SIP standards, the R20A integrates effortlessly with various SIP-capable PBX systems, and its adherence to the ONVIF standard allows for straightforward incorporation into existing network surveillance setups.

Designed with versatility in mind, the R20A includes multiple interfaces such as Wiegand and RS485 ports, two input ports, and two output relays, enabling integration with diverse access control systems. Its built-in RFID card reader is compatible with both 13.56MHz (NFC) and 125kHz frequencies, offering flexible access solutions. The device supports Power-over-Ethernet (PoE IEEE802.3af), simplifying installation by reducing the need for additional power cables. With an IP65 rating, the R20A is both dust-tight and protected against water jets, making it suitable for various environmental conditions. Its compliance with IPv4, HTTP, HTTPS, and other protocols ensures secure and reliable network communication. Additionally, the R20A can be connected with indoor monitors for remote access control and communication, allowing residents to engage in audio calls with visitors and manage entry remotely.

Akuvox R20A Palm-Size Doorphone Features

• Vandal-Resistant Design: Constructed with an aluminum alloy front panel and a flush button, the R20A is built to withstand tampering and harsh environments.
• High-Resolution Camera: Equipped with a 2-megapixel CMOS sensor, the device captures clear images with a wide viewing angle of 110° horizontally and 58° vertically. It also features automatic lighting and infrared sensors for enhanced visibility in low-light conditions.
• Two-Way Audio Communication: Supports full-duplex audio with echo cancellation, enabling clear conversations over IP networks.
• Access Control Integration: Includes a 13.56 MHz (with NFC) and 125 kHz RF card reader, two relay outputs for door control, and two input ports for additional access control functionalities.
• Power over Ethernet (PoE): Supports IEEE802.3af PoE, simplifying installation by reducing the need for separate power cables.
• Compliance and Compatibility: Adheres to SIP standards for seamless integration with various SIP-capable PBXs and ONVIF standards for compatibility with network surveillance systems.

Physical Specifications:

• Dimensions: Flush-mounted: 189 x 120 x 56.5 mm; Wall-mounted: 145 x 85 x 27.5 mm.
• Operating Conditions: Humidity: 10–90%; Temperature: -40°C to +65°C.
• Ingress Protection: IP65-rated for water and dust resistance.

Audio and Video Specifications:

• Audio Codecs: Supports G.711a, G.711μ, G.729, and G.722 codecs.
• Video Codecs: Supports H.264 and H.265 codecs with resolutions up to 1920 x 1080p at 25 fps.
• Additional Features: Includes auto white balance, auto night mode with LED illumination, and a minimum illumination of 0.1 lux.

The Akuvox R20A is ideal for applications such as office door phones, remote site entry over the internet, and apartment intercom systems with door access control.

Akuvox R20A Specifications

At a Glance

• Vandal resistant body, with a flush button
• Wide-angle camera: 110º (H), 58º (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
• Button: 1 call button
• Light sensor: Support
• Infrared sensor: Support
• Wiegand port: Support
• RS485 port: Support
• RF card reader: 13.56MHz (with NFC) & 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: 189x120x56.5mm
• Wall-mounted DIM: 145x85x27.5mm
• 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 – 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)

Application Scenario

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