Smart locks that use a Bluetooth connection are convenient but are limited by a short connection range, making it difficult for homeowners, hotel managers, or homestay owners to grant access remotely. With a Gateway device, this problem is completely solved: Bluetooth is converted to WiFi, opening up the ability to manage the lock anytime, anywhere. OSUNO – a smart lock provider in Vietnam — currently offers many product lines that support Gateway integration, suitable for apartments, mini hotels, homestays, and modern offices.
The Trend of Using Gateway-Integrated Locks in 2025

Bluetooth lock models have been popular due to their reasonable cost, elegant design, and diverse unlocking features such as fingerprint, card key, PIN code, mechanical key, and Bluetooth. However, the biggest drawback of Bluetooth technology is the limited connection range: users can only open the door when they are near the lock.
Understanding the practical needs of customers, OSUNO offers a Gateway-integrated lock solution. Acting as a bridge, the Gateway helps convert the signal from Bluetooth to WiFi, allowing homeowners to control the lock via the internet, no longer being constrained to a few meters.
With a Gateway, a regular smart lock becomes a more comprehensive, remote, and flexible management solution, meeting the trends of modern property management, especially in rental models, hotels, or serviced apartments.
Top 5 Outstanding OSUNO Lock Models that Support Gateway Integration
OSUNO currently has many smart lock lines that use the OSUNO Lock application, support Bluetooth connection, and can be easily upgraded with a Gateway. Here are some typical models:
Top 1- Remote Control Fingerprint Lock via App OSN-3358

The OSN-3358 electronic lock integrates remote control, and the phone app allows users to unlock remotely via remote control and smartphone. This lock is particularly suitable for rental services.
- Features: unlocks with fingerprint, card key, PIN code, OSUNO Lock app, and a backup mechanical key.
- Advantages: high fingerprint sensitivity, long battery life, intuitive app management interface.
- Application: suitable for high-end apartments, leadership offices, or rental services.
When integrated with a Gateway: homeowners can grant passwords remotely and track unlock history on their phones, which is suitable for managing rental apartments.
Top 2- Fingerprint Lock with Integrated Camera OSN-3358 Plus

An upgraded version of the OSN-3358, the OSN-3358 Plus integrates remote control, and the phone app allows users to unlock remotely via remote control and smartphone. This lock is particularly suitable for leaders’ private rooms or for rental services.
- Diverse unlocking methods: fingerprint, PIN code, card key, mechanical key, integrated remote control, and a phone app that allows users to unlock remotely via remote control and smartphone:
- Close-range unlocking: Unlock with a remote or phone via a Bluetooth connection. Can be opened from a distance of 10-15m.
- Remote unlocking with no distance limit: a WiFi connection via phone allows unlocking from anywhere. To unlock remotely, an intermediary device, the gateway, is required.
Application: suitable for leaders’ private rooms or for rental services.
Top 3- Automatic Aluminum and Glass Door Fingerprint Lock OSN-3328

The OSN-3328 is the latest automatic fingerprint lock for aluminum and glass doors. It has a fully automatic opening and closing mode, and notably features Live-Scan technology with a speed of <0.1s and a superior IP68 waterproof rating. This product will provide you with an experience that is hard to find on the market.
- Features: unlocks via fingerprint, card key, PIN code, and the OSUNO Lock app.
- Advantages: simple installation, stable operation on glass, wooden, and iron doors, and meets the superior IP68 waterproof standard.
- Application: suitable for homestays, rental apartments, etc.
- When integrated with a Gateway: easy remote management, and the ability to grant passwords to tenants without meeting in person.
Top 4- Super Waterproof Electronic Lock OSN-3321

The OSN-3321 electronic door lock has an IP65 waterproof and dustproof rating, which can protect against dust, completely prevent dust intrusion, and protect against water spray from all directions.
- Features: unlocks with App, fingerprint, PIN code, card key, and a backup mechanical key.
The app includes 2 versions:
- Bluetooth App
- WiFi App.
- The lock has a built-in Bluetooth model. If you want to expand to WiFi unlocking, you just need to add a signal conversion device (also called a gateway).
- Advantages: The lock uses a high-tech card key that can be integrated with elevator systems.
- Application: suitable for small and medium-sized apartment buildings and small offices.
Top 5- Electronic Lock for Aluminum and Glass Doors OSN-3323

An electronic lock for aluminum and glass doors with smart features, weather resistance, and high security, but you are still concerned about the quality.
- Features: unlocks with the OSUNO Lock app, card key, PIN code, fingerprint, and mechanical key.
- The lock comes in 2 versions: a Bluetooth app and a WiFi app. The OSN-3323 has a built-in Bluetooth model that opens within a range of 10-15m. If customers want to unlock from anywhere, they can add the WiFi unlocking feature by simply adding a signal conversion device (also known as a gateway).
Outstanding Benefits of Using a Gateway-Integrated Lock
1. Remote Management Anytime, Anywhere
Without being at the door, homeowners or hotel managers can unlock, grant access, or revoke access right on their phones, as long as there is an internet connection.
2. Flexible Password Granting
Through the OSUNO Lock app, you can create one-time passwords suitable for homestay and hotel models, where guests change frequently.
3. Effective Security Monitoring
The entire entry/exit history is recorded on the application. Homeowners can know who opened the door and at what time — enhancing safety and transparency.
4. Manage Multiple Rooms on the Same System
With OSUNO Lock combined with a Gateway, one account can manage dozens, even hundreds of locks at the same time. This helps reduce costs and simplify operations for hotel chains, office buildings, or rental apartment complexes.
5. Review Unlock History
You can also share lock management rights, create unlock schedules by time frame, and view unlock history.
Conclusion
The Gateway-integrated lock is an important step forward in the smart lock industry, helping to completely overcome the limitations of Bluetooth and opening up unlimited remote management capabilities. With OSUNO product lines that support OSUNO Lock such as OSN-3323, OSN-3321, OSN-3358 Plus…, customers can easily upgrade their experience, increase management efficiency, and enhance the safety of their apartments, hotels, or offices. OSUNO is committed to providing optimal smart lock solutions, accompanying customers in the trend of modern housing and business in 2025.