Akuvox R20K-2 2-Wire Keypad Video Door Phone
The Akuvox R20K-2 is a SIP video door phone with a full numeric keypad, built to run over legacy 2-wire cabling instead of Ethernet, making it a practical upgrade for apartment and office buildings that already have 2-wire intercom wiring in place. It combines a 2MP camera with a built-in 13.56MHz/125kHz RF card reader plus NFC, is rated IP65 for outdoor use, and installs flush or surface-mounted with its on-wall bracket included. Requires a compatible Akuvox NS-2 2-wire switch.
Price on Request
SKU: R20K-2 · Door Phone · Silver
Door Phone
Numeric Keypad Entry
Full numeric keypad lets visitors dial an apartment or office extension directly, ideal for larger buildings.
Card, NFC & RF Access
Built-in 13.56MHz/125kHz RF card reader plus NFC support for smartphone-based access alongside the keypad.
Runs on 2-Wire Cabling
Uses Akuvox’s 2-wire technology via a compatible NS-2 switch, avoiding new network cable runs in retrofit buildings.
IP65, Aluminium Body
Weatherproof aluminium alloy body suits both apartment and office building entryways, surface or flush-mounted.
Multi-tenant door phone installations in Melbourne: Sipko Security supplies and installs Akuvox R20K-2 door phones for apartment and office building 2-wire retrofit projects. Get a free quote today.
Technical Specifications
Product Details
Camera
2MP CMOS, auto-lighting
Entry Method
Numeric keypad
Card Reader
13.56MHz & 125kHz RF
Power Supply
2-Wire (non-polarized)
Relays & Inputs
2 relays, 1 input
Protection
IP65 weatherproof
Integration
Wiegand, RS485
Material
Aluminium alloy
Core Features
Detailed Breakdown
2MP Camera with Auto-Lighting: Wide-angle camera at 110-degree (H) by 58-degree (V) with H.264 video, so visitors are clearly visible on the resident’s monitor or phone.
Numeric Keypad with Card & NFC Access: A full numeric keypad lets visitors dial an extension directly, while the built-in 13.56MHz/125kHz RF card reader and NFC support give residents tap-to-enter access.
2-Wire Technology via NS-2 Switch: Connects over Akuvox’s non-polarized 2-wire cabling through a compatible NS-2 switch, reusing existing 2-wire intercom wiring instead of running new Ethernet cable.
2 Relay Outputs, Wiegand & RS485: Two relay outputs for door/gate control, plus Wiegand and RS485 ports and 2 inputs for wiring into a broader access control system.
SIP & ONVIF Compliant: Registers to a SIP PBX for calling and complies with ONVIF for integration with third-party network video surveillance systems, even while running over 2-wire cabling.
IP65 Weatherproof, On-Wall Bracket Included: Aluminium alloy body rated IP65 for outdoor use, with its on-wall surface mount bracket included, or optional flush mounting.
Complete Technical Specifications
Data Table
| Specification | Details |
|---|---|
| Model | R20K-2 |
| Front Panel | Aluminium alloy |
| Camera | 2MP, automatic lighting |
| Video Codec | H.264 |
| Viewing Angle | 110° (H) / 58° (V) |
| Entry Method | Numeric keypad |
| Card Reader | 13.56MHz & 125kHz RF, plus NFC |
| Protocol | SIP, ONVIF |
| Audio Features | Two-way audio, echo cancellation, noise suppression |
| Connection | 2-Wire (non-polarized) via Akuvox NS-2 switch, no Ethernet/PoE required |
| Relay Outputs | 2 |
| Inputs | 2 |
| Wiegand Port | Supported |
| RS485 Port | Supported |
| IP Rating | IP65 (waterproof and dust-proof) |
| Installation | Surface or flush mounted, on-wall bracket included |
Frequently Asked Questions
Q&A
The R20K-2 is a SIP video door phone with a numeric keypad, built for apartment and office buildings where visitors dial a unit or extension number directly. It runs over 2-wire cabling, making it well suited to retrofitting older multi-tenant buildings.
Both run on Akuvox’s 2-wire technology, but the R20A-2 has a single call button suited to individual residences, while the R20K-2 adds a full numeric keypad for dialling extensions directly, plus NFC support alongside its card reader, making it better suited to larger apartment or office buildings.
Yes, the R20K-2 requires a compatible Akuvox NS-2 2-wire switch, which converts the 2-wire signal to standard IP networking for the rest of the intercom system. Sipko Security will confirm the right switch and wiring setup as part of a quote.
Visitors can dial an extension using the numeric keypad, while residents can gain access via the built-in 13.56MHz/125kHz RF card reader or NFC-enabled smartphones, without needing to call anyone.
Yes. It’s rated IP65 for weatherproof outdoor use, with its on-wall surface mount bracket included, or optional flush mounting for a recessed installation.
Ready to Install the Akuvox R20K-2?
Contact Sipko Security to request a quote or discuss integrating the R20K-2 into an apartment or office building 2-wire retrofit project. We provide complete design, installation, and ongoing support for Akuvox intercom systems across Melbourne and regional Victoria.