Shenzhen Youwei Communication Co., Ltd.
| Payment Terms | T/T, Western Union, MoneyGram, D/A, L/C, Paypal |
| Supply Ability | 10000pcs |
| Delivery Time | 5-7 business days |
| Packaging Details | Cardboard Box/ Cartons |
| Product name | GPS monitor |
| Network type | 2G 3G 4G |
| Locating Mode | GPS+Beidou+GLONASS |
| Color | Black |
| Battery | Built-in |
| Antenna | Built-in |
| Transmission Protocol | MQTT |
| Positioning Accuracy | <5 meters |
| Voice Communication | Support |
| SOS | Optional |
| Brand Name | YOUWEI |
| Model Number | M38 |
| Certification | CE FCC RoHS |
| Place of Origin | Guangdong, China |
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram, D/A, L/C, Paypal | Supply Ability | 10000pcs |
| Delivery Time | 5-7 business days | Packaging Details | Cardboard Box/ Cartons |
| Product name | GPS monitor | Network type | 2G 3G 4G |
| Locating Mode | GPS+Beidou+GLONASS | Color | Black |
| Battery | Built-in | Antenna | Built-in |
| Transmission Protocol | MQTT | Positioning Accuracy | <5 meters |
| Voice Communication | Support | SOS | Optional |
| Brand Name | YOUWEI | Model Number | M38 |
| Certification | CE FCC RoHS | Place of Origin | Guangdong, China |
| High Light | 4G 3G 2G GPS Tracker ，Person Locating GPS Tracker ，Vehicle Asset GPS Tracker | ||
The M38 GPS Tracker is an ultra-compact, high-performance tracking device designed for real-time positioning and monitoring. With triple-mode satellite support (GPS+Beidou+GLONASS) and 4G Cat1 connectivity, it ensures accurate and reliable tracking for vehicles, assets, or personal use. Its plug-and-play design, built-in backup battery, and magnetic charging make it easy to install and maintain.
Since it has voice functionality, this product is only sold in countries where it is legally permitted. It does not support unauthorized surveillance or recording, and all voice features are strictly designed for legitimate purposes such as emergency communications and authorized location tracking.
Triple Positioning: GPS + Beidou + GLONASS for high accuracy.
Real-Time Tracking: Live location updates with trajectory playback.
Electronic Fence Alarm: Alerts when the device moves beyond a predefined area.
Easy Installation: No power button; auto-activates when powered.
Built-in Backup Battery: Ensures continuous operation during power interruptions.
4G Cat1 Module: Stable connectivity with low power consumption.
Remote OTA Upgrade: Firmware updates without physical access.
| Parameter | Details |
| Main Chip | 4G Cat1 Module |
| Frequency Band | 2320-2370MHz / 2575-2635MHz |
| SIM Card | China Mobile 4G patch card |
| Positioning Accuracy | <5m |
| First Positioning Time | Avg. 32s (cold start) |
| Transmission Protocol | MQTT |
| Output Power | 28.0 ±2dBm (both frequency bands) |
| Receiver Sensitivity | -107dBm |
| Sensitivity | Cold Start -145dBm |
| Hot Start -156dBm | |
| Warm Start -145dBm | |
| Navigation -160dBm | |
| Tracking -162dBm | |
| Built-in Battery | 5000mAH (optional) |
| Operating Temperature | -20°C to +60°C |
| Function | Description |
| Scheduled Tracking | Reports latitude/longitude at set intervals. |
| Electronic Fence | Triggers alarms when the device exits a predefined area. |
| Historical Trajectory | Stores and replays 90 days of travel data (speed, direction, stops, etc.). |
| Pedometer Mode | Optional step-counting feature (on/off configurable). |
| Power Alarm | Sends alerts when main power is disconnected. |
| Data Reporting | Real-time GPS updates with customizable reporting (4x/day default). |
4G Cat1 (short for 4G Category 1) is a classification standard for terminal devices in 4G LTE networks, designed as a low-power, low-cost, medium-to-low-speed communication solution for the Internet of Things (IoT). Below is a detailed breakdown:
4G Cat1 is one of the 4G LTE terminal categories defined by 3GPP (the international telecom standards body), optimized for IoT devices. It offers moderate upload/download speeds while meeting most IoT application requirements.
Key Features:
| Category | Downlink Speed | Uplink Speed | Use Case |
| 4G Cat1 | 10Mbps | 5Mbps | IoT (GPS trackers, shared devices) |
| 4G Cat4 | 150Mbps | 50Mbps | Smartphones, HD video streaming |
| 4G CatM1 | 1Mbps | 1Mbps | Ultra-low-power IoT (e.g., smart meters) |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
10000-100000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
1.Company info Youwei Communication is a professional GNSS system (GPS, Beidou. GLONASS, GALILEO) navigation solution provider. Intended to provide a one-stop GNSS satellite timing, measurement, positioning, and navigation solution provider to OEM/ODM customers and system integrators both domesti... 1.Company info Youwei Communication is a professional GNSS system (GPS, Beidou. GLONASS, GALILEO) navigation solution provider. Intended to provide a one-stop GNSS satellite timing, measurement, positioning, and navigation solution provider to OEM/ODM customers and system integrators both domesti...
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