TTLock Bluetooth Smart Lock Module SN-9243 + G2 WiFi Gateway
Upgrade Any Electric Door Lock to a Smart Lock with the TTLock Bluetooth Module
The Asia-Teco SN-9243 TTLock Bluetooth Electronic Lock Module is a powerful retrofit solution that transforms your existing electric door lock into a fully connected smart lock — no rewiring required. Powered by the Tailing Micro 8251 Bluetooth 5.0 BLE chip, this compact control module lets you manage access through the free TTLock App, issue digital keys, and even control your lock remotely when paired with the optional G2 WiFi Gateway. Made in China.
Key Features
- Bluetooth 5.0 BLE Unlocking: Use your smartphone to unlock your door quickly and securely via the TTLock App — compatible with Android 4.3+ and iOS 7.0+.
- Remote Electronic Key Distribution: Issue time-limited digital keys to tenants, guests, or staff at any time. Set custom validity periods, or instantly freeze and revoke access as needed.
- Unlock History & Monitoring: Every unlock event is logged. Sync records to the administrator account to monitor who accessed the door and when.
- WiFi & Remote Control via G2 Gateway: Connect the optional TTLOCK G2 Gateway for remote unlocking from anywhere in the world via WiFi. Also supports voice control through Amazon Alexa and Google Assistant.
- Firmware Upgradeable: Keep your module up to date with over-the-air firmware upgrades that expand functionality over time.
- Mechanical Key Backup: Physical key access is always available as a reliable backup method.
- Multilingual App Support: The TTLock, TTHotel, and TTRenting apps support 20+ languages including English, Spanish, French, German, Russian, Japanese, Korean, and more.
- OpenAPI Integration: Connect to business management systems via TTLOCK's open API — ideal for property managers, hotels, and rental platforms.
Technical Specifications
- Model: SN-9243
- Bluetooth Standard: BLE 5.0
- Supported OS: Android 4.3+ / iOS 7.0+
- Voltage Range: 4.5V – 10V
- Motor Output Voltage: Battery voltage – 0.3V
- Low Battery Alert Voltage: 4.8V
- Standby Current: 37 µA
- Working Current: <200 mA
- Power Supply: 4 × Alkaline Dry Cell Batteries
- Operating Temperature: -20°C to 70°C
- Unlock Time: ~1.5 seconds
- Hazardous Chemicals: None
Module Functions
- Factory Reset
- Add Mobile Phone Administrator
- Delete Mobile Phone Administrator
- Unlock / Lock via App
- Issue App-Based Digital Keys
- View Unlock Records
- Low Battery Alert
- Firmware Upgrade (OTA)
App Compatibility
Download TTLock, TTHotel, or TTRenting from the App Store, Google Play, or App Gallery. Cloud servers are hosted on Alibaba Cloud and Amazon Cloud for reliable worldwide connectivity.
For more guidance on smart home security standards and best practices, visit the NIST Cybersecurity Resources.
Frequently Asked Questions
Q: Does the TTLock SN-9243 Bluetooth module work without the G2 Gateway?
A: Yes. The SN-9243 works fully as a standalone Bluetooth smart lock module — you can unlock via the TTLock App over Bluetooth without the G2 Gateway. The G2 Gateway is an optional add-on that enables remote WiFi control and voice assistant integration (Amazon Alexa, Google Assistant) from anywhere.
Q: What type of existing locks is the SN-9243 compatible with?
A: The SN-9243 is designed to retrofit standard electric door locks, converting them into smart locks compatible with the TTLock platform. It supports a voltage range of 4.5V–10V and is suitable for residential, rental, and hospitality applications.
Q: How do I share access with multiple users?
A: Using the TTLock App, the administrator can remotely issue electronic keys to any number of users. Each key can have a custom validity period (start and end time), and can be frozen or revoked instantly from the app at any time.
Q: Can I see who unlocked the door and when?
A: Yes. Every unlock event is logged and synced to the cloud when the device connects to the network. Administrators can view a full unlock history directly within the TTLock App.