Digital Key · Smart Vehicle Connectivity

Using BLE precise positioning and secure chip technology, the physical key is virtualized onto your phone. Car owners can enjoy hands-free unlock, remote vehicle control, key sharing, and more — all with just their phone. Reazen Tech delivers both pre-installed and aftermarket solutions and has served multiple leading OEMs.

Vehicle · Cloud · Mobile — End-to-End

Full-stack delivery from in-vehicle to cloud, supporting private deployment and OTA updates.

DK Server
Notification Service
External Service
Mobile Auth
System Management
Security Protocol
Platform Management
TSM Trusted Service
Vehicle Management
BLE Key
NFC Key
Key Authentication
Key Sharing
▲4G▼
Vehicle Terminal
Aftermarket Pre-installed
BLE Module
NFC Module
UWB Module
4G Module
GPS Module
BeiDou Module
Hands-free Lock/Unlock
Remote Vehicle Control
Access Sharing
Data Services
▲internet▼
Mobile App
HarmonyOS
◀BLE/NFC▶

Key Features & Scenarios

Hands-free Lock/Unlock

Hands-free Lock/Unlock

Seamless dual-mode connection (BLE / NFC) — approach to unlock, walk away to lock.

Remote Vehicle Interaction

Remote Vehicle Interaction

Remote Control: Start/stop engine, A/C, windows, find my car.
Vehicle Info: Status, location, trip history, battery voltage.

Access Sharing

Access Sharing

Virtual key management — share with family or valet in one tap, with time and usage limits.

Data Services

Data Services

Real-time vehicle anomaly alerts, driving behavior data and vehicle status logging to support vehicle owners and operational decision-making.

Ecosystem Integration

Reazen Tech is committed to providing OEMs with a complete "hardware + software + smart connectivity & interaction" solution, accelerating smart upgrades while reducing project costs.

Smart Glasses
◀ Integrated ▶
Digital Key
◀ Integrated ▶
Yang Cheng Tong
Smart Glasses
Digital Key
Transit card
Smart Glasses × Digital Key When Reazen Tech's Digital Key works with Smart Glasses, drivers can unlock, start, check vehicle status, and more — all through the glasses without taking out their phone. From approaching the vehicle to driving away, the entire interaction is handled through the glasses.
Digital Key × Transit card Leveraging transit card integration to enable communication between the phone wallet and Digital Key, allowing users to lock/unlock more conveniently without carrying physical keys or NFC cards.

Case Studies

Haojue Motor

Haojue Motor

Pre-installed HW (BLE+NFC Module) NFC Card App Digital Key Module Vehicle Control Mini Program Cloud Service

As a pre-installed supplier for Dachangjiang motorcycles, Reazen provides Digital Key hardware and software for Haojue models. Multiple models are already adapted (with estimated annual sales of nearly 400,000 vehicles), with plans to adapt more pre-installed models and develop TBOX+DK integrated solutions and connected vehicle big data applications.

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WeChat Video
Dongfeng Nissan

Dongfeng Nissan

Aftermarket HW (OBD/CAN Bus) Owner App & Mini Program Cloud Service Offline Promotion & Operations Marketing Consultation

Reazen provides Nissan with customized aftermarket Digital Key hardware and apps, sold through online channels and 4S dealerships. Initially covering 4 models, the program will expand to more models and special editions.

Extended Scenario

Vehicle Asset Management Platform

An all-in-one vehicle operations management tool integrating Digital Key hardware, vehicle control app, and management console.

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