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Akuvox · Intercoms

Akuvox R20A-2 Compact 2-Wire SIP Video Door Phone Intercom

Model / SKU: R20A-2

Akuvox R20A-2 Compact 2-Wire SIP Video Door Phone Intercom. The Akuvox R20A-2 is a compact 2-wire IP video intercom designed to modernize communication systems in buildings with existing wiring infrastructure. Its two-pin wiring facilitates both power supply and network access, eliminating the need for extensive rewiring during installation. The device features a vandal-resistant body with a flush button, ensuring durability and security. Equipped with a wide-angle camera offering a 110° horizontal and 58° vertical field of view, the R20A-2 provides clear video communication. The built-in IC/ID card reader supports contactless access control, enhancing convenience for users. Two-way audio communication over IP networks is optimized with echo cancellation and noise suppression technologies, ensuring clear conversations. The intercom supports H.264 video compression, maintaining high-quality video while efficiently utilizing bandwidth. Additional features include two output relays for door control, Wiegand and RS485 ports for integration with other security systems, and an input port for added functionality. The R20A-2 is IP65 rated, making it suitable for both indoor and outdoor installations, and can operate in temperatures ranging from -30°C to +60°C. Its compact size allows for flexible installation options, including flush-mounted or wall-mounted setups. This intercom is ideal for multi-residential buildings, commercial spaces, and offices, providing a seamless upgrade to IP-based communication without the need for new cabling. Key Features: Wide-angle camera: Horizontal 110º, Vertical 58º. 48VDC Power over 2-wire (via C313W-2 monitor or NS-2 Switch). Two-way audio communication over IP networks with Echo Cancel feature. Complies with SIP standard for easy integration with any SIP-capable PBX systems. Video suitable for easy integration with any network surveillance system. Akuvox R20A-2 Datasheet The Akuvox R20A-2 is a compact 2-wire IP video intercom designed to enhance security and communication in residential and commercial settings. Its sleek and modern design complements various architectural styles, making it a versatile choice for property owners. The device features a high-resolution camera that provides clear video footage, ensuring accurate identification of visitors. Its 2-wire configuration simplifies installation by allowing power and data transmission over a single pair of wires, making it an ideal solution for upgrading existing intercom systems without extensive rewiring. In addition to its video capabilities, the R20A-2 supports two-way audio communication, enabling seamless interaction between residents and visitors. It integrates with various access control systems, allowing for secure entry management. The intercom is built to withstand diverse environmental conditions, ensuring reliable performance over time. Its user-friendly interface and compatibility with mobile applications provide remote access and control, enhancing convenience for users. Akuvox R20A-2 Compact 2-Wire IP Video Intercom Features 2-Wire Connectivity : Utilizes existing 2-wire cabling for both power and network access, simplifying installation without the need for new wiring. High-Resolution Camera : Equipped with a 2-megapixel camera offering a wide-angle view (110° horizontal, 58° vertical) for clear video surveillance. RFID Card Reader : Built-in card reader compatible with 13.56MHz (with NFC) and 125kHz frequencies, enabling secure access control via contactless cards or keyfobs. SIP Protocol Support : Complies with SIP standards, allowing easy integration with SIP-capable PBX systems for two-way audio communication over IP networks. Echo Cancellation and Noise Suppression : Features echo cancellation and noise suppression technologies to ensure clear audio communication. Weather-Resistant Design : Rated IP65 for water and dust resistance, making it suitable for both indoor and outdoor installations. Infrared Night Vision : Equipped with high-intensity IR LEDs and an internal light sensor for clear video capture in low-light conditions. Flexible Mounting Options : Supports both flush and surface mounting, accommodating various installation requirements. Integrated Relay for Door Control : Includes an output relay that can be controlled via DTMF tones, facilitating remote door or gate access. Vandal-Resistant Construction : Constructed with an aluminum alloy front panel and a flush button, enhancing durability and security. Akuvox R20A-2 Specifications 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: 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: 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 – 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