
Akuvox 2-Wire Intercom Kit (R20A-2/C313W-2). 4 Free SmartPlus Accounts
Model / SKU: 2-WIRE INTERCOM KIT R20A-2-C313W-2
Intercom kit · 2-wire intercom
$550.00incl. GSTShowroom availability to be confirmedView product ↗
RHODIUMSECURITY Your cart
Product image. Check the selected model, lens, colour and package contents before ordering.
Akuvox · Intercoms
Model / SKU: R20K-2
Akuvox R20K-2 Palm-Size Doorphone Certified for Outdoor Usage. The Akuvox R20K-2 is a compact, IP65-rated SIP video door phone designed for secure access control in residential and office settings. Its aluminum alloy front panel houses a 2-megapixel wide-angle camera (110° horizontal, 58° vertical) with automatic lighting and high-intensity IR LEDs for clear video, even in low-light conditions. The device supports two-way audio communication over IP networks, featuring echo cancellation, voice activation detection, and comfort noise generation for clear conversations. Equipped with a numeric keypad and an integrated RFID card reader compatible with 13.56MHz (NFC) and 125kHz frequencies, it offers multiple access methods, including PIN codes and contactless cards. The R20K-2 utilizes a 2-wire connection for both power and network access, simplifying installation, especially in retrofitting projects. It complies with SIP and ONVIF standards, ensuring seamless integration with various IP-based systems like VoIP phones and network surveillance setups. The device operates reliably in temperatures ranging from -30°C to +60°C and humidity levels between 10% and 90%, making it suitable for diverse environmental conditions. Additional features include a light sensor, infrared sensor, Wiegand and RS485 ports, and a relay output for door control. The R20K-2 supports auto-provisioning, web management, configuration backup and restore, and firmware upgrades, facilitating easy deployment and maintenance. Its compact dimensions (185x85x29mm for wall-mounted installation) and vandal-resistant design make it an ideal choice for enhancing security without compromising aesthetic appeal. Key Features: Enables audio and visual monitoring of doors/gates, increasing security for residential or commercial premises. Utilizes the latest H.264 video and G.722 audio codecs for high-quality video and audio clarity. Supports audio and video communication with IP phones, mobile clients, or softphones. Powered via 2-wire connections from NS-2 or C313W-2. Eliminates the need for personnel to be physically stationed at doors/gates, enhancing productivity. Speeds response time to visitors, delivery staff, and service personnel requiring access. Provides premium audio and video quality. Offers real-time entrance monitoring. Facilitates remote door opening. Features multiple access methods. Compatible with SIP, ONVIF, Wiegand, PoE, and IP65 standards. Akuvox R20K-2 Datasheet The Akuvox R20K-2 is a compact 2-Wire SIP video door phone designed for seamless integration into apartment and office building retrofits. Its aluminum alloy front panel houses a 2-megapixel camera equipped with automatic lighting, ensuring clear video communication even in low-light conditions. The device features a numeric keypad, facilitating secure access control, and supports both 13.56MHz (with NFC) and 125kHz RF card readers for versatile entry options. With an IP65 rating, the R20K-2 is both dust and water-resistant, making it suitable for outdoor installations. Its wide operating temperature range of -30°C to +60°C ensures reliable performance in various environmental conditions. In terms of functionality, the R20K-2 supports SIP v1 and v2 protocols, ensuring compatibility with a wide range of IP-PBX systems. It offers two-way audio communication with echo cancellation, utilizing codecs such as G.711a, G.711μ, G.729, and G.722 for both narrowband and broadband audio. The device’s camera delivers video resolutions up to 1080p, with a 110° horizontal and 58° vertical viewing angle, providing comprehensive coverage of entry points. Additional features include a Wiegand port, RS485 port, and a relay output for enhanced access control integration. The R20K-2 also supports auto-provisioning and web management for streamlined deployment and maintenance, making it a versatile and efficient solution for modern access control needs. Akuvox R20K-2 Palm-Size Doorphone Certified Features Durable Construction: The front panel is made of aluminum alloy, providing a robust and vandal-resistant design. Camera: Equipped with a 2-megapixel wide-angle camera (110° horizontal, 58° vertical) with automatic lighting and high-intensity IR LEDs for night vision, ensuring clear video in various lighting conditions. Keypad and Card Reader: Features a numeric keypad for PIN-based access and an integrated RF card reader supporting both 13.56MHz (with NFC) and 125kHz frequencies, allowing for flexible access control methods. Audio Communication: Supports two-way audio communication over IP networks with echo cancellation, voice activation detection, and comfort noise generation, ensuring clear conversations. Weather Resistance: Rated IP65 for water and dust resistance, making it suitable for outdoor installations in various environmental conditions. Integration and Compatibility: Complies with SIP standards for easy integration with SIP-based PBX systems and supports the ONVIF standard for compatibility with third-party video components like NVRs. Installation Options: Can be flush-mounted or wall-mounted, providing flexibility to suit different installation requirements. Power Supply: Utilizes a 48VDC two-wire power supply, simplifying installation, especially in retrofitting scenarios where existing wiring can be used. The Akuvox R20K-2 is an ideal solution for enhancing security and communication in residential and commercial buildings, offering a blend of durability, advanced features, and compatibility with existing systems. Akuvox R20K-2 Specifications 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 Versions: 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: Yes Voice Activation Detection: Yes Comfort Noise Generator: Yes 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) Lighting: High-intensity IR LEDs for picture illumination during dark hours with internal light sensor Compatibility: Compatible with 3rd-party video components, e.g., NVRs Door Entry Feature Relays: Controlled individually by DTMF tones Camera: Permanently operational Auto-night Mode: LED illumination White Balance: Auto Minimum Illumination: 0.1LUX Networking & Protocol Supported Protocols: 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 (including 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
incl. GST · Equipment supply
Price checked 6 September 2026Ask about this model at 12 Stelvio Close, Lynbrook VIC 3975. Monday–Friday, 9am–5pm; Saturday 9 am–1 pm; closed Sunday. Online ordering is being prepared. Confirm availability and collection arrangements with the showroom before travelling.
Collection information ↗Equipment supply does not include installation unless expressly included in your confirmed quote. Check compatibility with existing cameras, recorders and cabling before buying. Kit storage and additional equipment depend on the selected options.
Compare the listed model, lens and equipment options with the area you need to see. For an upgrade, have your current recorder model ready so compatibility can be checked. Equipment prices are separate from installation unless your quote says otherwise.

Model / SKU: 2-WIRE INTERCOM KIT R20A-2-C313W-2
Intercom kit · 2-wire intercom
$550.00incl. GSTShowroom availability to be confirmedView product ↗
Model / SKU: 48V POWER SUPPLY FOR NS-2
Intercom accessory
$126.00incl. GSTShowroom availability to be confirmedView product ↗
Model / SKU: A01/02/03 On-wall Installation Kit
Intercom kit
$13.00incl. GSTShowroom availability to be confirmedView product ↗