✅ 1. Product Title
KS668 4G GPS Tracker – Industrial-Grade Vehicle Tracker with Remote Cut-Off, Multi-Channel Sensing & Fleet Monitoring
✅ 2. Short Product Description
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Industrial 4G GPS/BDS vehicle tracker with external antennas
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Real-time tracking with vibration, overspeed, illegal start alarms
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Supports 2 fuel control channels, 3 temperature inputs, and 2 serial ports
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Remote OTA upgrade, low-power sleep mode, and smart ACC detection
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Ideal for cold chain, concrete trucks, fleet logistics, and high-risk asset tracking
✅ 3. Full Product Description
The KS668 4G GPS Tracker is a professional-grade telematics device designed for fleet, logistics, and special vehicle monitoring. It supports 4G LTE/2G fallback and GPS/Beidou dual positioning with high sensitivity. Equipped with remote power cut-off, vibration alarm, overspeed warning, SOS, and fence crossing detection, it ensures safety, control, and reliability.
With 2 channels for oil/electric relay control, 3-channel temperature input, and 2 serial ports (RS232/485), it’s ideal for advanced vehicle applications such as cold chain logistics and concrete mixers. It supports offline data logging with large memory and provides remote parameter setting and firmware upgrades.
Smart features include ACC-based work mode switching, intelligent sleep/wake function, low power consumption, and extensive I/O support for real-time equipment status updates.
✅ 4. Key Features
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4G LTE & 2G GSM fallback (Global Bands: B1/B2/B3/B4/B5/B7/B8/B28/B66)
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Dual positioning via GPS & Beidou with <10m accuracy
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Remote cut-off of fuel and electricity via relay output (2 channels)
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Built-in vibration alarm, illegal movement alarm, overspeed alert
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Intelligent sleep mode with vibration wake-up & low power design
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External GPS/GSM antenna for stable satellite reception
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3-channel temperature detection for cold chain tracking
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Supports mixed concrete truck rotation detection (loading/unloading)
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2× serial ports (RS232 & RS485), 4× I/O ports, 2 analog inputs
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OTA firmware upgrade & remote command settings via SMS/GPRS
✅ 5. Product Specifications Overview
| Category | Specification |
|---|---|
| Model | KS668 |
| Network | 4G LTE, GSM 2G fallback |
| SIM Support | Standard SIM |
| Positioning | GPS + Beidou (32 satellite channels) |
| Cold Start | 32 seconds avg |
| Hot Start | 1 second avg |
| Location Accuracy | <10 meters (1σ) |
| Speed Accuracy | <0.1 m/s |
| Work Voltage | DC 9V – 36V |
| Work Current | 35mA (avg at 12V) |
| Sleep Current | 10mA (avg at 12V) |
| Battery | 500mAh (3.7V lithium polymer) |
| Ports | 2x Serial, 4x IO, 2x Analog, 3x Temp inputs |
| Relay Control | 2-channel oil/electric cut-off |
| Antenna | External GSM & GPS antennas |
| Housing | Aluminum alloy |
| Dimensions | 79mm × 33mm × 16mm |
| Operating Temp | –20°C to +75°C |
| Storage Temp | –30°C to +80°C |
✅ 6. Application Scenarios
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Cold Chain Logistics – Real-time temperature monitoring during transport
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Ready-Mix Concrete Trucks – Detect drum rotation and unloading status
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Fleet Management – Live tracking, fuel control, overspeed alerts
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Special Vehicles – Sensor integration via RS232/485 ports
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Construction Equipment – Detect movement, ignition, and asset security
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High-Value Asset Transport – Enable remote shutdown in theft situations
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IoT Integrators – Embedded in smart fleet platforms for real-time insight
