Hardware & PCB design
PCB, enclosure, connectors, antenna and power design are reviewed against the installation and operating requirements.
807
GPS Shoulder Warning Light with 4G, SOS and Real-Time Tracking
The GPS Shoulder Warning Light combines high-visibility LED warning, real-time personnel tracking and emergency communication in one compact wearable device. It supports GPS positioning, 4G connectivity, SOS alarms, electronic geofencing and historical route playback, making it suitable for security patrols, traffic control, construction sites, railway maintenance and lone-worker protection.
- Multi-Network Communication: Supports 4G Cat.1 with optional 2G connectivity
- Multi-Mode Positioning: Integrates GPS, BeiDou, WiFi and LBS positioning
- High-Visibility Warning: LED matrix display improves worker visibility in dark or hazardous environments
- Real-Time Tracking: Uploads personnel locations to the management platform
- Bluetooth Connectivity: BLE 5.1 supports nearby communication and expandable indoor applications
- Compact Wearable Design: Lightweight housing can be attached to a uniform or shoulder strap
- Low-Power Operation: Standby current is less than 1 mA at 4V
- Rechargeable Battery: Built-in battery supports repeated daily use
- Platform Management: Supports location monitoring, historical route playback and personnel management
- OEM/ODM Service: Device appearance, firmware, protocol, logo and platform functions can be customized
Reference priceUSD 53.00
Final pricing depends on configuration, quantity, taxes and shipping.
Samples and configuration
Sample availability, quantity and lead time depend on the selected model. Confirm the pilot scope before placing a production order.
OVERVIEW
Overview
This GPS Shoulder Warning Light is designed for outdoor personnel safety, visual warning and location management. It integrates 4G Cat.1 communication, GPS and BeiDou satellite positioning, WiFi-assisted positioning, LBS and BLE 5.1 in a compact wearable housing.
The LED matrix display increases personnel visibility during night patrols, road maintenance, construction work and emergency operations. Location data can be uploaded to a PC or mobile management platform, allowing supervisors to check device status, personnel locations and historical movement routes.
In open outdoor environments, the positioning accuracy can reach less than 10 meters. GPS tracking sensitivity of -165 dBm helps the device maintain reliable positioning performance, while WiFi and LBS provide supplementary location information where satellite signals are limited.
The product is suitable for traffic police, security guards, railway inspectors, construction workers, industrial personnel and lone workers. Shenzhen Jinshengchang Technology Co., Ltd. provides OEM and ODM services covering device logos, housing design, firmware, communication protocols, API integration and white-label tracking platforms.
SPECIFICATIONS
Specifications
Reference configurations are shown below. Final specifications are confirmed in the approved product specification.
| Network | 4G Cat.1 / 2G optional |
|---|---|
| Positioning | GPS + BDS + WiFi + LBS |
| Bluetooth | BLE 5.1 |
| Display | LED matrix display |
| Positioning Accuracy | Less than 10 meters |
| Frequency Bands | LTE-FDD B1/B3/B5/B8; LTE-TDD B34/B38/B39/B40/B41 |
| Tracking Sensitivity | -165 dBm |
| Acquisition Sensitivity | -148 dBm |
| TTFF | Hot start 1 second / Cold start 32 seconds |
| Battery | Built-in rechargeable battery |
| Operating Current | Less than 60 mA |
| Standby Current | Less than 1 mA at 4V |
| Water Resistance | IPX water-resistant design |
| Dimensions | 68 × 30 × 20.5 mm |
| Antenna | Built-in 4G, GPS, BeiDou and Bluetooth antennas |
DEPLOYMENT CHECKLIST
Deployment checklist
Device Registration: Add the device ID and SIM information to the management platform
Network Configuration: Configure the APN, server address, port and reporting interval
Personnel Assignment: Bind each device to the corresponding employee or work team
Wearing Method: Secure the device to the shoulder strap, uniform or safety vest
Positioning Test: Test GPS and BeiDou positioning in an open outdoor area before deployment
Platform Verification: Confirm real-time location, online status and historical route data
Power Management: Fully charge the device before use and set a suitable upload interval
Batch Deployment: Import device information in batches for large personnel projects
OEM Integration: The communication protocol and API can be customized for private platforms
- 01
Requirements
Define the application, country, quantity, reporting interval and target battery life.
- 02
Technical design
Agree the device, network, power system, payload and platform interfaces.
- 03
Prototype validation
Test representative devices, coverage, power consumption and alarm delivery on site.
- 04
Production and rollout
Approve the specification and pilot results, then plan production, installation and support.
APPLICATIONS
Applications
CUSTOMIZATION
OEM / ODM
Firmware & protocols
Reporting intervals, event logic, payload encoding and remote configuration are defined in a versioned interface document.
Platform integration
Device registration, maps, history, alarms and customer APIs are scoped together with access permissions and data handling.
Branding & enclosures
Logo, enclosure color, labels, packaging and white-label interfaces can be assessed for the selected product and order quantity.
FAQ
Frequently asked questions
Can we evaluate samples first?+
Sample availability, quantity and lead time depend on the selected model. Confirm the pilot scope before placing a production order.
Can we use our own platform and branding?+
Logo, packaging, firmware, payloads and API integration can be assessed within the agreed OEM / ODM scope.
How are battery life and coverage confirmed?+
Reporting interval, installation, radio conditions and temperature affect results. Confirm the operating profile and validate it during the pilot.
What should we provide for a quotation?+
Share the country, device quantity, application, network, power target and platform requirements. Include drawings or interface documents when available.
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