I. Requirements Analysis:

With the rapid advancement of modern communication technology, the demand for positioning and communication services continues to grow. Particularly in scenarios such as outdoor exploration, military operations, and emergency rescue, there is an urgent need for real-time, reliable positioning and communication capabilities. The BeiDou-2 Short Message Transmission Wristwatch was developed to address these requirements, offering users high-precision positioning, short message transmission, and extended standby time. It provides a convenient and secure communication and positioning solution.

II. Product Features:

1. BeiDou-2 Short Message Transmission: Supports BeiDou-2 short message functionality, enabling two-way communication to facilitate information transfer in areas without network coverage.

2. BeiDou SIM Card Installation: The watch supports BeiDou SIM card installation to ensure normal operation of short message functions while providing stable communication services.

3. High-Precision Positioning: Positioning accuracy ≤10m, positioning refresh interval ≤60 seconds, ensuring users can obtain accurate location information in real time.

4. Bluetooth Control: Supports control via Bluetooth connectivity, enabling users to perform remote operations or integrate with other devices.

5. Extended Standby Time: 90 days of standby time meets users' demands for long-lasting battery performance during extended outdoor activities.

6. Official Certification: Possesses the annual inspection certificate for Beidou navigation civil service qualifications issued by the China Satellite Navigation and Positioning Application Management Center, ensuring product compliance and reliability.

III. Application Scenarios:

1. Outdoor Exploration: The BeiDou-2 short message wristwatch provides real-time positioning information for outdoor adventurers and maintains communication with the outside world via short message functionality, ensuring safety.

2. Military Operations: During military operations, the watch's high-precision positioning and short message communication capabilities provide timely information support to troops, enhancing combat effectiveness.

3. Emergency Rescue: During natural disasters, accidents, and other emergencies, rescue personnel can use the watch for location sharing and short message communication to enhance rescue efficiency.

IV. Product Specifications:

Serial Number	Project Name	Technical Specifications
1	Style	Beidou Short Message Wristwatch
2	Watch size	78.5 * 58 * 22.7 mm
3	Watch Crystal Material	High-hardness mineral glass
4	Display	TFT Screen Semi-Transparent/TDF Effect
5	Waterproof Performance	Water resistant to 3ATM
6	Strap Material	Silicone watch strap
7	Watch Accessories	Instruction manual, charging clip, data cable