Best Intercoms with Door Unlock Function for Smart Security Systems in 2025
Setembro 26, 2025
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1. What Is an Intercom with Door Unlock Function and How Does It Work?
Um intercom with door unlock function is a security and communication system that allows users to not only talk to visitors but also remotely unlock doors. These systems are commonly used in:
- Edifícios residenciais
- Complexos de escritórios
- Industrial facilities
- Hospitals and schools
- Comunidades fechadas
Alimentado por bateria recarregável ou conectado à fonte de alimentação do edifício
| Componente | Função |
|---|---|
| Monitor interno | Displays video feed, allows two-way communication, unlocks door remotely |
| Unidade Externa | Equipped with camera, microphone, speaker, and call button |
| Door Strike/Lock | Electrically controlled lock mechanism |
| Fonte de alimentação | Provides power to the entire system |
When a visitor presses the call button, the resident or staff receives an alert on the indoor monitor or smartphone app. They can see and speak to the visitor, and if verified, press the unlock button to remotely release the door lock.
Key Technologies Involved:
- Video transmission (Analog/IP)
- Áudio bidirecional
- Remote unlocking via relay
- Mobile app integration
- RFID/NFC for credential-based access
High-Intent B2B Keywords:
- intercom with unlock feature supplier
- sistema de intercomunicação inteligente para apartamentos
- door entry intercom wholesale
- commercial intercom with door release
- video intercom system supplier
2. Smart Video Intercoms vs Traditional Intercoms: Key Differences
Understanding the difference between traditional and smart intercoms is critical for B2B buyers, especially those looking to integrate access control and modernize security infrastructure.
Embora os visores de porta tradicionais tenham servido casas por décadas, as câmeras de espião inteligentes trazem atualizações significativas em termos de segurança, usabilidade e conveniência moderna.
| Caraterística | Traditional Intercoms | Smart Video Intercoms |
|---|---|---|
| Apenas áudio | Sim | No, includes video |
| Door Unlock Capability | Limited (wired only) | Extensive (wired, wireless, app-based) |
| Integration with Smartphones | Não | Yes, via apps and cloud |
| Vídeo HD com cobertura de grande angular | Não | Yes, anywhere via WiFi/4G |
| AI & Motion Detection | Não | Yes (in advanced models) |
| Escalabilidade | Low (fixed wiring infrastructure) | High (network/IP-based systems) |
| Complexidade da instalação | Baixa | Moderado a elevado |
| Melhor caso de utilização | Small homes | Apartments, offices, smart buildings |
Why Smart Intercoms Are Replacing Traditional Systems:
- Enhanced segurança via motion alerts and video recording.
- Conveniência of unlocking doors remotely via apps.
- Integração com smart home systems like Alexa and Google Home.
- Scalable for multi-tenant ou comercial .
3. Benefits of Door Unlock Intercom Systems for Businesses and Multi-Family Units
For building managers, property developers, and commercial security integrators, adopting intercoms with door unlocking functionality comes with several business-critical advantages.
Benefícios para compradores B2B:
🔒 Enhanced Security
- Prevent unauthorized access with two-way video verification.
- Time-stamped video recordings for audits and investigations.
💼 Professional Access Control
- Control staff or visitor access in office buildings, warehousese factories.
- Set access schedules for different user groups.
🏢 Property Value & Tenant Satisfaction
- Aumentar real estate value by offering smart access.
- Improve tenant satisfaction with app-based unlocking and visitor management.
🔁 Operational Efficiency
- Reduce need for reception staff or doormen.
- Automate deliveries and service access.
📱 Mobile Connectivity
- Unlock doors via smartphones, ideal for vacation rentals, hotelse remote offices.
Use Case Example:
| Setor | Exemplo de Caso de Uso |
|---|---|
| Real Estate & Property Mgmt | Install in apartment buildings to offer remote access to tenants |
| Education Sector | Secure main entry points to schools while allowing visitor screening |
| Instalações de cuidados de saúde | Control entry to restricted areas like labs and ICUs |
| Manufacturing Plants | Manage shift-based access for workers |
For businesses looking for an advanced and customizable solution, Shenzhen FARHD Tech Co., Ltd. offers world-class sistemas de intercomunicação OEM/ODM with integrated unlock capabilities. As a vertically integrated manufacturer with full control over production—from LCD modules to complete intercom solutions—FARHD delivers unmatched quality and scalability. Learn more about their offerings on their OEM/ODM Manufacturing Page.
FARHD’s intercom systems are ideal for:
- Construtoras
- Provedores de soluções para casas inteligentes
- Integradores de segurança
- Exporters and distributors
Their 13 automated production lines and 5,500 m² factory ensure fast turnaround and high-volume capabilities. With over 60% market share in China and a strong presence in Europe and Korea, FARHD is your trusted partner for scalable, secure access control systems.

4. Best Intercoms with Door Unlock Function for Home and Commercial Use in 2025
Choosing the right intercom with door unlocking capabilities largely depends on the specific application—residential, commercial, or industrial. In 2025, the market will continue shifting toward smarter, more integrated systems ideal for both individual homeowners and B2B buyers like property developers, wholesalers, and distributors.
Recommended Intercom Systems by Use Case
| Caso de utilização | Tipo de sistema recomendado | Principais recursos |
|---|---|---|
| Observações | Wireless Video Door Phone | Wi-Fi connectivity, mobile app support, two-way audio/video, door release |
| Complexos de Apartamentos | IP-Based Multi-User Intercom | Centralized management, RFID/fingerprint access, admin control, unlock logs |
| Edifícios de escritórios | SIP Intercom with Door Release | VoIP integration, remote access, cloud storage, multi-door control |
| Instalações Industriais | Rugged Wired Intercom with Relay | Durable casing, wired unlock relay, long-distance video transmission |
| Hotels & Vacation Rentals | Smart Doorbell with Unlock Feature | Smartphone app unlock, cloud call forwarding, PIN access for guests |
Top Features in 2025 Intercom Models:
- Face Recognition Unlock
- Mobile App Access Control
- Transmissão de Vídeo Criptografada
- Multi-Door Control
- Visitor Log Recording
- Integração com fechaduras inteligentes
- Gestão baseada na nuvem
Notable Brands to Consider:
| Marca | País | Pontos fortes notáveis |
|---|---|---|
| FARHD | China | Full OEM/ODM services, scalable production, industry leadership |
| Aiphone | Japão | Known for reliability, commercial-grade systems |
| 2N (eixo) | República Checa | SIP-based systems, high-end integrations |
| Hikvision | China | Affordable smart intercoms with mobile apps |
| Comelit | Itália | Stylish design, modular systems |
🔗 Learn more about FARHD’s full line of door video intercom systems for villas and apartments by visiting their product category page. These systems are equipped with video, intercom, and unlock features, making them a versatile choice for B2B buyers.
5. Must-Have Features in Modern Door Intercom Systems
Whether you’re a wholesaler, property developer, or installer, ensuring the intercom system includes essential features will improve customer satisfaction and reduce product returns.
🔑 Essential Features for 2025:
- Destravamento remoto
- Via app, RFID, face recognition, or keypads.
- Two-Way Video Communication
- Wide-angle lens, night vision, and noise reduction mics.
- Suporte para vários inquilinos
- Especially critical for apartment complexes or gated communities.
- Integração de aplicativos móveis
- iOS/Android compatibility with push notifications and video call support.
- Cloud Storage or On-Premise Recording
- Video logs of visitor access for audits and safety.
- Tamper Alerts & Motion Detection
- Sends alert if the unit is moved, vandalized, or detects movement.
- Suporte a vários idiomas
- Ideal for global deployments, especially in hotels or commercial buildings.
- Design modular
- Enables future upgrades (e.g., adding fingerprint scanner or card reader).
- Weatherproof and Dustproof
- Minimum IP65 rating for outdoor units.
Comparison Table: Feature Checklist
| Caraterística | Utilização residencial | Utilização comercial | FARHD Products Include |
|---|---|---|---|
| Door Unlock (Relay) | ✅ | ✅ | ✅ |
| Gestão multi-inquilino | 🚫 | ✅ | ✅ |
| Integração de aplicativos móveis | ✅ | ✅ | ✅ |
| Multi-Door Control | 🚫 | ✅ | ✅ |
| Armazenamento de vídeo em nuvem | ✅ | ✅ | ✅ |
| SIP Protocol Support | 🚫 | ✅ | ✅ |
| Face Recognition Unlock | ✅ | ✅ | ✅ |
| Modular Panel Design | 🚫 | ✅ | ✅ |
🔗 You can explore fully integrated video intercom solutions with unlock functionality on FARHD’s product listing page, where you’ll find smart systems tailored for every security requirement.
6. Wired vs Wireless Intercom Systems with Unlock Capability
When choosing an intercom system with a door unlock function, one of the most critical decisions is between wired and wireless configurations. Each has advantages depending on the deployment scale, building infrastructure, and reliability requirements.
⚖️ Wired vs Wireless Comparison:
| Caraterística | Sistemas de intercomunicação com fios | Sistemas de intercomunicação sem fios |
|---|---|---|
| Complexidade da instalação | Requires structured cabling | Easier to install, especially in retrofit setups |
| Confiabilidade | Very high, no signal interference | Dependent on Wi-Fi or 4G connection |
| Caso de utilização ideal | New buildings, large complexes | Existing homes, temporary setups |
| Unlock Function | Direct relay control for instant unlocking | App-based or cloud relay |
| Integração com o controlo de acesso | Plug-and-play with advanced systems | May need additional configuration |
| Manutenção | Baixa | Moderate (software/app updates required) |
| Fonte de alimentação | Centralized or PoE | Bateria ou adaptador |
Which One is Best for You?
- Choose Wired se:
- You are building from scratch or doing a full renovation.
- É necessário maximum reliability e multi-unit scalability.
- You prefer PoE (Power over Ethernet) for simplicity.
- Choose Wireless se:
- You are retrofitting an existing structure.
- É necessário quick deployment e flexibilidade.
- You operate in low-traffic environments like small offices or homes.
Recommendation for B2B Buyers:
For bulk installations in apartment blocks or office towers, wired systems are more stable and cost-effective over time. Wireless is ideal for boutique hotels, single-unit rentalse temporary setups.
🔗 If you’re unsure which system type fits your project, consult the experts at FARHD via their contato for tailored recommendations based on your deployment needs.

7. Applications of Intercoms with Door Unlock in B2B Environments
Intercom systems with door unlocking functions are no longer limited to residential use. In today’s tech-driven security landscape, they are becoming essential tools across multiple B2B sectors. From commercial properties to logistics centers, these systems streamline access control, enhance safety, and boost operational efficiency.
🔍 Key B2B Application Scenarios
| Industry/Facility Type | Exemplo de aplicação | Benefícios |
|---|---|---|
| Real Estate & Property Management | Multi-tenant buildings, gated communities | Centralized access control, tenant satisfaction, reduced staffing costs |
| Hospitality (Hotels, Rentals) | Boutique hotels, vacation rentals, Airbnb properties | Seamless guest access, remote unlock, automated check-in/out |
| Cuidados de saúde | Hospitals, clinics, laboratories | Restrict access to sensitive zones, staff access scheduling |
| Warehousing & Logistics | Distribution centers, loading bays | Control vehicle gate access, time-stamped entry logs |
| Educação | Schools, universities, dormitories | Visitor screening, parent/student access control |
| Government & Military Buildings | Secure facilities, embassies, police stations | High-security access with multi-factor verification |
| Retail & Shopping Centers | Employee entrance, stockroom access | Staff-only access, delivery verification |
| Industrial & Manufacturing | Plant entries, restricted zones | Worker access scheduling, safety compliance |
🔑 B2B Benefits of Intercom Systems with Unlock Function:
- Improved Operational Control
- Grant or revoke access in real-time.
- Monitor entries across multiple locations remotely.
- Enhanced Security Compliance
- Maintain audit trails for regulatory inspections.
- Integrate with existing alarm and surveillance systems.
- Cost Reduction
- Eliminate the need for physical keys or on-site guards.
- Lower maintenance costs with remote diagnostics and software updates.
- Scalability for Expansion
- Add new doors, users, or buildings without replacing the entire system.
- Custom Branding & Integration
- Os compradores B2B podem solicitar custom OEM features, logos, and software integrations.
📌 For businesses expanding into smart access control, a customizable intercom system with unlock function is a long-term investment. FARHD offers end-to-end B2B solutions for such needs, including custom firmware, hardware, and housing configurations. Saiba mais sobre as suas capacidades na Página sobre nós.
8. Top OEM/ODM Manufacturers for Intercom Systems with Unlock Function
If you’re sourcing smart intercom systems in bulk for resale, distribution, or integration into your own product line, choosing the right manufacturer is critical. You’ll want a partner that offers:
- Deep technical expertise
- Full supply chain control
- Customization options (software, hardware, branding)
- Capacidade de fabrico comprovada
🏆 Recommended OEM/ODM Suppliers for B2B Buyers
| Fabricante | País | Pontos fortes |
|---|---|---|
| FARHD | China | Full vertical integration, custom R&D, large-scale production |
| Aiphone | Japão | High-quality traditional intercoms, less focus on smart features |
| 2N (Axis Communications) | República Checa | Enterprise-grade SIP systems, expensive but robust |
| Akuvox | China | Android-based intercoms with cloud capability |
| Comelit | Itália | Stylish, modular systems, good for aesthetic-focused projects |
Why B2B Buyers Prefer FARHD:
- Produção interna completa: From LCM display panels to finished intercoms.
- Personalização OEM/ODM: Firmware, UI, branding, housing, and connectivity options.
- Certificações: CE, FCC, ROHS, ISO 9001, SGS.
- Alcance global: Market leader in China, with strong distribution in Europe and Korea.
- Fast delivery & support: 13 production lines and over 260 specialized staff ensure timely delivery and support.
🔗 Explore FARHD’s OEM/ODM services to develop your own branded intercom solution by visiting their OEM/ODM Manufacturing page.

9. FAQs About Intercoms with Door Unlock Function
Here are some of the most commonly asked questions by B2B buyers, wholesalers, and security integrators:
Q1: Can I integrate the intercom with other access control systems?
Sim. Most modern intercoms with unlock functions can integrate with RFID, fingerprint readers, smart locks, and access control systems via relay outputs or IP/SIP protocols.
Q2: What power supply do these intercom systems require?
- Sistemas com fios: Typically 12V DC or PoE (Power over Ethernet).
- Sistemas sem fios: Can be battery-powered or use 5V/12V adapters.
Q3: Is it possible to unlock the door from a mobile phone?
Sem dúvida. Most systems now offer Android/iOS apps that allow users to:
- Receive video calls from visitors
- Talk to them via two-way audio
- Unlock the door remotely
Q4: Can intercoms be customized for brand resale?
Sim. O FARHD oferece private labeling, custom UI, hardware casing designs, and packaging for distributors and resellers.
Q5: What is the typical warranty period?
- Standard warranty ranges from 12 to 24 months.
- FARHD offers extended warranty and after-sales support for B2B clients.
Q6: How many doors can one system manage?
It depends on the system architecture:
- Basic systems: 1-2 doors
- Advanced IP/SIP systems: 10+ doors via centralized management
Q7: How do I get a quote for bulk orders?
You can directly contact FARHD for a customized quotation, including MOQ, lead time, and available models.
🔗 To get in touch with their sales team, visit the Contact Us page here.
✅ Final Takeaway and Call-to-Action
A demanda por intercom systems with door unlock function is growing rapidly across both residential and commercial sectors. Whether you’re a wholesaler, distributor, or system integrator, investing in smart, customizable, and scalable intercom solutions will give you a competitive edge in 2025.
If you’re looking for a reliable OEM/ODM partner in China, Shenzhen FARHD Tech Co., Ltd. offers everything you need—from product design to global distribution support. Os seus fabrico verticalmente integrado, R&D excellencee customization capability make them the top choice for B2B buyers worldwide.
🔗 Learn more about their innovative intercom systems and request your product samples on the FARHD official website.










