Product SKU: DHI-VTO4202FB-P1
Product Overview
The Dahua DHI-VTO4202FB-P1 is a 2MP two-wire IP modular door station designed as the main camera and single call-button module within a compatible Dahua video intercom entrance system. Its fisheye camera provides an approximately 168.6° horizontal view, helping capture visitors who stand close to the doorway or slightly off-centre. Digital two-wire communication supports selected retrofit projects, while Ethernet, standard PoE and 48V DC provide options for new network-based installations. The module also supports two-way audio, remote unlocking, door-status monitoring, an exit-button input and local microSD storage up to 256GB. IP65 ingress protection, IK07 impact resistance and aluminium construction suit correctly installed outdoor entrances. This model includes one mechanical call button; keypad, card-reader, fingerprint, display and additional call-button functions require separately selected compatible modules and an appropriately sized mounting enclosure.
Key Capabilities
Wide 2MP Entrance View
The fisheye camera captures an approximately 168.6° horizontal field of view, making it easier to see visitors standing close to the door or near the edge of the entrance rather than directly in front of the lens.
Digital Two-Wire Installation
Support for Dahua digital two-wire communication can simplify selected upgrade projects where suitable two-core cabling is already available. A compatible Dahua two-wire switch is required for this connection method.
Ethernet and PoE Flexibility
The 10/100Mbps network port and IEEE 802.3af/at PoE support suit new IP installations. The module can also operate from a compatible 48V DC supply when PoE or two-wire power is not used.
Visitor Communication and Unlocking
The built-in call button, two-way audio, echo suppression and remote-unlock support provide the core functions required for a single-destination entrance. Door-status and exit-button inputs support a more complete entry workflow.
Expandable Modular Design
Compatible keypad, card-reader, fingerprint, display and additional call-button modules can be added when the entrance requires more functions. The final module count determines the panel, mounting box or rain cover required.
Outdoor Entrance Protection
The aluminium housing is rated IP65 and IK07 and operates from -30°C to +60°C. Correct mounting hardware, sealed cable entries and complete module coverage remain essential for outdoor reliability.
Best For
- Homes and Townhouses: Provides a single call button, wide visitor view and remote door release at the main entrance.
- Apartment Entry Systems: Acts as the main camera module within a larger modular station containing keypad, display or access-reader components.
- Office Entrances: Suits reception or office entry points requiring video calling and controlled door access.
- Selected Two-Wire Upgrades: Supports compatible installations where suitable existing two-core cabling may be retained.
- Outdoor Modular Stations: Fits flush-mounted or surface-mounted entrance arrangements using compatible protective accessories.
Why Choose the DHI-VTO4202FB-P1
The DHI-VTO4202FB-P1 provides the main camera, calling and door-control functions needed to build a customised modular entrance station. Its wide fisheye view is better suited to close doorway coverage than a narrow conventional lens, while digital two-wire, Ethernet and PoE options give installers flexibility across renovation and new-build projects. Compared with a fixed all-in-one door station, the modular design allows keypad, card-reader, fingerprint, display or extra call-button functions to be added only when required. Available through Security Wholesalers, this model suits buyers who need one straightforward call destination now but want the entrance hardware planned around a compatible expandable platform. The main limitation is that every additional function and mounting component must be selected separately.
Buyer Decision Tips
Two-Wire Upgrade Tip: Existing two-core cable does not guarantee compatibility. Confirm the conductor condition, cable length, routing and compatible Dahua two-wire switch before treating the product as a direct replacement for an older intercom.
Call-Button Tip: The module includes one physical call button. Apartment directories, multiple destinations, room-number dialling or credential-based access require compatible expansion modules and a larger mounting arrangement.
Key Features & Technical Specifications
| Product Type | Two-wire IP modular apartment door station with one physical call button. |
| Camera | 1/2.9-inch 2MP CMOS fisheye camera. |
| Field of View | 168.6° horizontal, 87.1° vertical and 176.7° diagonal. |
| Call Button | One mechanical physical call button. |
| Communication Mode | Dahua digital two-wire and IP network communication. |
| Audio | Two-way audio with built-in speaker, echo suppression and digital noise reduction. |
| Video Compression | H.265 and H.264. |
| Video Resolution | Main stream supports 720p, WVGA, D1 and CIF; sub stream supports 1080p, WVGA, D1, QVGA and CIF. |
| Image Enhancement | 120dB WDR, 3D noise reduction, automatic IR and automatic day or night switching. |
| Remote Unlocking | Supported through the configured compatible intercom system. |
| Local Storage | Supports a microSD card up to 256GB. |
| Visitor Messages | Video-message support when an SD card is installed in the indoor monitor or door station. |
| Credential Capacity | Supports system capacity for up to 3,000 cards and 3,000 fingerprints with compatible expansion modules. |
| Door Interfaces | One lock control, one exit-button input and one door-status input. |
| Additional Interfaces | One RS-485 port, one alarm output and one 12V DC, 600mA power output. |
| Network Port | One 10/100Mbps RJ-45 Ethernet port. |
| Power Options | Compatible Dahua two-wire switch, 48V DC at 1A or PoE under IEEE 802.3af/at. |
| Two-Wire Distance | Listed maximum power-supply distance of 50m when using a compatible Dahua two-wire switch. |
| Power Consumption | Up to 4W in standby and 5W while operating. |
| Mounting Options | Flush mount or surface mount using compatible optional mounting components. |
| Protection | IP65 ingress protection, IK07 impact resistance and tamper alarm. |
| Operating Conditions | -30°C to +60°C at 10%–90% relative humidity, non-condensing. |
| Dimensions | 100 × 100 × 49.4mm. |
| Gross Weight | 0.43kg. |
Ideal Use Cases
Home Front Entrances
Use as a single-button video door station for visitor communication and remote unlocking.
Townhouse Gates
Install at a controlled pedestrian entrance where a wide close-range visitor view is useful.
Apartment Lobbies
Use as the main camera module within a larger station containing calling or access-control expansions.
Office Reception Entries
Provide video calling and controlled entry at a front office or shared reception doorway.
Two-Wire Renovations
Consider for compatible upgrades where suitable existing two-core cabling can be retained.
Choosing the Right Model
- Choose this model if: The entrance needs one call button, a wide 2MP camera, two-wire or IP connectivity and modular expansion.
- Choose additional call-button modules if: Visitors need separate physical buttons for several apartments, offices or destinations.
- Add a keypad module if: Room-number dialling or password-based access is required.
- Choose a fixed all-in-one station if: Future modular expansion is unnecessary and a simpler preconfigured layout is preferred.
- Confirm the enclosure and power method if: The project has not yet been designed for flush mounting, surface mounting, PoE or digital two-wire operation.
FAQs
- Is the DHI-VTO4202FB-P1 a complete door station or an expansion module?
The DHI-VTO4202FB-P1 is the main camera and call-button module for a compatible Dahua modular video intercom entrance station. It includes the camera, one mechanical call button, two-way audio, network connection and lock-control interfaces. Additional keypad, card-reader, fingerprint, display or extra call-button modules are selected separately when the entrance requires more functions or destinations. - How wide is the camera view on the VTO4202FB-P1?
The 1/2.9-inch 2MP camera provides a very wide fisheye view measuring approximately 168.6° horizontally, 87.1° vertically and 176.7° diagonally. This is useful at close entrance points where visitors may stand off-centre or near the edge of the doorway. The wide lens is designed for doorway context rather than long-distance identification across a driveway or large forecourt. - Can the DHI-VTO4202FB-P1 operate on existing two-core cabling?
Yes, the door station supports Dahua digital two-wire communication and can be powered through a compatible Dahua two-wire switch, with a listed maximum power-supply distance of 50 metres. Existing two-core cable should still be inspected for conductor size, condition, routing and interference. It is not a universal replacement for every analogue or proprietary two-wire intercom system. - Can this door station also use Ethernet and PoE?
Yes. The DHI-VTO4202FB-P1 includes a 10/100Mbps RJ-45 network port and supports PoE under IEEE 802.3af/at. It can also use a 48V DC, 1A supply or a compatible Dahua two-wire switch. The final power method should be chosen as part of the complete intercom design, and the power adapter is listed as optional. - Does the VTO4202FB-P1 support two-way audio and remote unlocking?
Yes. The door station supports two-way audio with a built-in speaker, echo suppression and digital noise reduction. It also provides remote unlocking through the configured intercom system and includes one lock-control interface, one exit-button input and one door-status input. Correct lock power, relay wiring and door hardware must be designed separately for the selected entrance. - Can the DHI-VTO4202FB-P1 record visitor messages?
Yes. Video-message functionality is supported when a suitable microSD card is installed in the indoor monitor or door station. The VTO4202FB-P1 supports a microSD card up to 256GB. Recording behaviour, message storage and retention depend on the complete intercom configuration, so the storage card and indoor monitor should be selected with the intended visitor-message workflow in mind. - Is the VTO4202FB-P1 suitable for outdoor installation?
Yes. The module is rated IP65 and IK07, uses an aluminium casing and operates from -30°C to +60°C in non-condensing humidity from 10% to 90%. Correct outdoor performance depends on the compatible mounting box or rain cover, sealed cable entries and proper installation. The door station should not be exposed using incomplete modular openings or unsuitable mounting hardware. - How can I confirm the correct modules and mounting accessories?
Confirm whether the entrance needs one call button or additional keypad, card-reader, fingerprint, display or call-button functions, then total the number of module positions required. Also choose between flush and surface mounting before selecting the enclosure. When planning the system through Security Wholesalers, provide the exact module list, power method and entrance layout so compatibility can be checked before installation.
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