1. Giới thiệu
The PGST WiFi+GSM 2G Smart Home Alarm System (Model PG109-2G-A1) provides a comprehensive security solution for your home or office. This advanced system features dual network connectivity, utilizing both WiFi and GSM 2G for reliable communication. It includes an intuitive LCD screen with capacitive touch buttons and integrates seamlessly with the Tuya Smartlife app for convenient control from your smartphone. The system supports up to 4 wired zones and 99 wireless zones, allowing for extensive customization and expansion with various sensors and accessories. This manual will guide you through the installation, operation, and maintenance of your alarm system.
2. Nội dung gói hàng
Vui lòng kiểm tra xem tất cả các mặt hàng được liệt kê dưới đây có trong gói hàng của bạn hay không. Nếu có bất kỳ mặt hàng nào bị thiếu hoặc hư hỏng, vui lòng liên hệ với bộ phận hỗ trợ khách hàng.
- 1 x PGST Alarm Hub (Main Unit)
- 8 x Cảm biến cửa/cửa sổ
- 4 x Điều khiển từ xa
- 1 x Siren (120dB)
- 1 x Motion Detector
- 2 x RFID Tags
- Bộ đổi nguồn
- Hướng dẫn sử dụng
3. Thông tin an toàn
Read all instructions carefully before using the product. Keep this manual for future reference.
- Do not expose the main unit to water or moisture.
- Hãy đảm bảo rằng bộ chuyển đổi nguồn được kết nối đúng cách với nguồn điện phù hợp.
- Chỉ sử dụng bộ đổi nguồn được cung cấp.
- Keep the device away from high temperatures and direct sunlight.
- Không tự ý sửa chữa hoặc thay đổi thiết bị. Hãy liên hệ với nhân viên kỹ thuật có chuyên môn để được hỗ trợ.
- Bỏ pin theo quy định của địa phương.
4. Thiết lập
4.1 Initial Setup of the Alarm Hub
- Kết nối nguồn điện: Connect the power adapter to the alarm hub and plug it into a wall outlet. The system will power on automatically.
- SIM Card Installation (Optional for GSM Functionality): If you intend to use the GSM 2G feature, insert a compatible 2G SIM card into the designated slot on the alarm hub. Ensure the SIM card is activated and has sufficient credit for calls and SMS.
- Cấu hình ban đầu: Follow the on-screen prompts on the LCD display to set the date, time, and language.
4.2 Cài đặt ứng dụng và tạo tài khoản
- Tải ứng dụng: Tìm kiếm "Tuya Smart" or "Smartlife" in your smartphone's app store (Google Play Store for Android or Apple App Store for iOS). Download and install the app.
- Đăng ký/Đăng nhập: Open the app and follow the instructions to create a new account or log in if you already have one.
4.3 Kết nối với WiFi
The alarm system supports 2.4 GHz WiFi networks only. 5 GHz networks are not supported.
- Bật chế độ ghép nối: On the alarm hub, navigate to the WiFi settings and select "EZ Mode" or "AP Mode" for network pairing. Refer to the on-screen instructions for specific steps.
- Thêm thiết bị vào ứng dụng: Open the Tuya Smart/Smartlife app, tap the "+" icon to add a new device. Select "Security & Video Surveillance" then "Alarm (Wi-Fi)".
- Kết nối với WiFi: Follow the in-app instructions to connect the alarm hub to your 2.4 GHz WiFi network. You will need to enter your WiFi password.
- Xác nhận: Once connected, the app will confirm the successful addition of the device.
4.4 Adding Wireless Sensors and Accessories
The system uses wireless code learning to add new accessories.
- Vào Chế độ học tập: On the alarm hub, navigate to the "Accessories" or "Sensor Management" menu and select "Add Sensor" or "Learning Mode".
- Kích hoạt cảm biến: Trigger the sensor you wish to add (e.g., separate the two parts of a door/window sensor, press the button on a remote control, or trigger the motion detector). The alarm hub will beep to confirm successful pairing.
- Assign Zone: Assign the newly added sensor to a specific zone and rename it for easy identification (e.g., "Front Door," "Living Room Motion").
- Lặp lại: Repeat this process for all door/window sensors, motion detectors, remote controls, and RFID tags.

Image: PGST Alarm Hub with door/window sensors, motion detector, and remote controls.
This image displays the main alarm hub alongside several included accessories, such as door/window sensors, a motion detector, and remote controls, illustrating the complete system components.
5. Vận hành hệ thống
5.1 Trang bị vũ khí và giải trừ vũ khí
The system offers multiple arming modes:
- Cánh tay (Chế độ vắng mặt): Activates all sensors. Use when leaving the premises.
- Home Arm (Stay Mode): Activates perimeter sensors (e.g., door/window sensors) while allowing movement within the property.
- Giải trừ vũ khí: Deactivates all sensors.
You can arm/disarm using the alarm hub's keypad, remote controls, RFID tags, or the Tuya Smart/Smartlife app.
5.2 Chức năng SOS
In case of an emergency, press the SOS button on the alarm hub or a remote control. The system will immediately trigger the siren and send emergency notifications to pre-programmed contacts via SMS or call (if GSM is active).

Image: Remote control with SOS button.
This image highlights the dedicated SOS button on the remote control, designed for immediate emergency activation of the alarm system.
5.3 Two-Way Voice Intercom
The alarm hub supports two-way voice communication. When an alarm is triggered or a call is initiated, you can speak and listen through the alarm hub, allowing for direct communication with occupants or monitoring personnel.

Image: Illustration of two-way voice intercom.
This image illustrates the two-way voice intercom feature, showing a user communicating through the alarm panel with another person, enabling real-time audio interaction.
5.4 Điều khiển bằng giọng nói (Alexa/Google Home)
The PGST alarm system is compatible with Amazon Alexa/Echo and Google Home. To enable voice control:
- Liên kết tài khoản: In the Alexa or Google Home app, enable the "Tuya Smart" or "Smartlife" skill/service and link your account.
- Khám phá thiết bị: Yêu cầu trợ lý giọng nói khám phá các thiết bị mới.
- Lệnh bằng giọng nói: You can now use voice commands to arm or disarm your system (e.g., "Alexa, disarm my home").

Image: Alarm system supporting Alexa voice control.
This image demonstrates the alarm system's compatibility with Amazon Alexa, showing a user disarming the system via voice command, highlighting the convenience of smart home integration.
5.5 APP Notifications
The Tuya Smart/Smartlife app provides real-time alarm notifications directly to your smartphone. Notifications will indicate the specific zone that triggered the alarm, allowing for quick identification of the event location.
6. Bảo trì
6.1 Thay thế pin
The alarm hub has a built-in backup battery providing approximately 8.5 hours of operation during a power outage. Wireless sensors are battery-powered and will send low battery alerts to the app and the main unit when replacement is needed.
- Main Unit Backup Battery: The main unit includes a CR2032 battery. This is primarily for maintaining settings and clock during short power interruptions. The main power supply is essential for full functionality.
- Cảm biến không dây: Replace batteries in wireless sensors promptly when low battery notifications are received. Refer to the specific sensor's design for battery type and replacement instructions.

Image: Alarm hub with backup battery indicator.
This image shows the alarm hub's display indicating the status of its low power consumption and the presence of an 8.5-hour backup battery, ensuring continued operation during power failures.

Image: Low battery alert for wireless sensors.
This image illustrates the system's ability to detect and notify users when wireless sensor batteries are low, showing an alert on the alarm panel and the mobile app, prompting timely battery replacement.
6.2 Vệ sinh
Wipe the alarm hub and sensors with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
KHAI THÁC. Xử lý sự cố
If you encounter issues with your PGST alarm system, refer to the following common solutions:
| Vấn đề | Nguyên nhân có thể | Giải pháp |
|---|---|---|
| System not connecting to WiFi | Incorrect WiFi password; 5 GHz network used; router too far. | Verify password; ensure 2.4 GHz network; move hub closer to router or use a WiFi extender. |
| Cảm biến không ghép nối | Sensor not in learning mode; battery low; too far from hub. | Ensure hub is in learning mode; replace sensor battery; move sensor closer to hub. |
| No GSM calls/SMS | SIM card not inserted correctly; SIM card not activated; no credit; 2G network unavailable. | Reinsert SIM card; contact service provider to activate/add credit; check 2G network coverage. |
| Báo động giả | Improper sensor placement; sensitivity too high (motion detector); environmental factors. | Adjust sensor placement; reduce motion detector sensitivity; ensure no drafts or pets trigger sensors. |
8. Thông số kỹ thuật
| Nhà sản xuất | PGST |
| Số hiệu mẫu | PG109-2G-A1 |
| Kích thước (DxRxC) | 18 x 12 x 8cm |
| Cân nặng | 890 gam |
| Kết nối | Wireless (WiFi 2.4GHz, GSM 2G) |
| Nguồn điện | Battery-powered (Main unit: CR2032 included, external power adapter; Sensors: various batteries) |
| Sound Level (Siren) | 120 Decibel |
| Phương pháp kiểm soát | App (Tuya Smart/Smartlife), Remote Control, Keypad, RFID |
| Thiết bị tương thích | Smartphones, Tablets, Amazon Alexa, Google Home |
| Các thành phần bao gồm | Alarm Hub, 8 Door/Window Sensors, 4 Remote Controls, 1 Siren, 1 Motion Detector, 2 RFID Tags |
9. Bảo hành và Hỗ trợ
PGST products are designed for reliability and performance. For warranty information, please refer to the documentation provided with your purchase or contact your retailer. If you encounter any issues or require technical assistance, please contact PGST customer support. Our team is available to help with setup, troubleshooting, and general inquiries.
Note: Customer service contact details are typically found on the product packaging or the official PGST webđịa điểm.





