










Shield 4G GPS Tracker
Letstrack Shield 4G Tracker is used for ignition detection, relay, buzzer, SOS button, or your own accessories. When working with BLE sensors it can monitor the temperature, humidity, door status, etc. It’s an all-in-one model to serve your needs for customized solution.
Choose options
- Live Vehicle Location
See your vehicle’s exact location in real-time from your smartphone or desktop. Whether parked or moving, you’ll always know where it is. Perfect for tracking young drivers, company fleets, or preventing theft. - Full Journey History
Access detailed logs of every trip — including route, distance, start/stop times, and speed. Essential for business mileage claims, driver accountability, or family safety tracking. Helps identify usage patterns or unauthorised use. - Battery (Internal or External)
Options include internal battery-powered devices or hardwired units. Ensures uninterrupted operation even when the vehicle is off. Essential for long-term security or tracking trailers/assets without power. - Multiple Theft Monitoring Alerts
You’re instantly alerted to suspicious actions like towing, tampering, or unauthorised ignition. Designed to catch theft attempts in real time. Strengthens your vehicle’s overall security system. - Driver Behaviour Analysis
Records driving habits such as harsh braking, acceleration, and over-speeding. Helps fleet managers reduce risk, and parents keep young drivers in check. Encourages safer, more efficient driving. - Geo Fences
Set virtual boundaries around specific locations such as home, work, or school. You’ll receive instant alerts when the vehicle enters or leaves these zones. Great for managing fleets or monitoring family members. - ADR (Automatic Driver Recognition)
Each driver has an ID tag. If the vehicle moves without one, you’re alerted immediately. Helps prevent key theft or unauthorised access. - Tow Away Alerts
Notifies you if the vehicle is moved without ignition on. Helps detect unauthorised towing or lift-and-carry thefts before the vehicle is gone. - Remotely Immobilisation
Disable the engine remotely through the Letstrack app or control room. Prevents thieves from restarting or moving the vehicle once it stops. - Motion Sensor Alerts
Detects slight movements when the engine is off — such as pushing, rolling, or lifting. Sends instant alerts to prevent tampering or theft. - 24×7×365 Control Room Monitoring
Your vehicle is monitored round-the-clock by a UK-based support centre. Immediate action can be taken if theft or danger is detected, including working with police. - Battery Disconnection Alert
Instantly alerts you if someone tries to cut off power to disable the tracker. Prevents thieves from silently disabling your security system. - Low Battery Alerts
Get real-time alerts when your tracker’s battery is low. Ensures you never lose protection due to a dead device. - Waterproof (IP41 Rated)
Built to handle the elements, this device is IP41-rated—fully protected against rain, dust, and splashes. Whether mounted under the vehicle or exposed to outdoor conditions, it’s designed to perform reliably in tough British weather. - SOS Button
Instant emergency alert feature. Drivers can press the SOS button to notify the control centre or emergency contact — perfect for distress situations.
- Network/Operating Band
- LTE FDD Cat 1: B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/ B20/B25/B26/B28/B66
- LTE TDD Cat 1: B34/B38/B39/B40/B41
- GSM:850/900/1800/1900 MHz - GNSS Specifications
- GNSS Chipset:HD8120
- Parallel GNSS:GPS+Beidou+Galileo+QZSS(SBAS)
- Receiver Type:24 tracking / 66 acquisitions- channel GNSS receiver
- Position Accuracy (CEP):Autonomous < 1.5m
- Standalone TTFF:Cold start: < 20s, Warm start: < 2s, Hot start: < 2s - Interfaces
- Digital Input (ACC): for ignition detection (input range 0-32V, 5≤: ignition on,≤2V ignition off, from 2V to 5V: unstable status)
- Digital Input (SOS): Panic (SOS) button (connect to ground trigger alert)
- Digital output: 2 digital outputs for relay control
- Indicator LED:Network and GNSS
- FOTA:Yes
- BLE (Bluetooth Low Energy):4.2
- WIFI: 2.4 GHz 802.11b (Rx)
- Tracker Configuring: Type C Connector - General Specifications
- Waterproof:IP41
- Dimensions: 105.7mm*57.6mm*16.8mm(4.16” *2.26” *0.66”)
- Weight:55g (1.94oz)
- Backup Battery:Li-Polymer 200 mAh/ 3.7V
- Operating Voltage:5V to 32V DC
- Operating Temperature:-30℃ ~ +80℃ (-22°F ~ 176°F)
- Storage Temperature:-40℃ ~ +85℃ (-40°F ~ 185°F) - Air Interface Protocol
- Transmit Protocol:TCP, UDP, MQTT, SMS
- Protocol Check & Encryption Support: MD5/ AES256
- BLE Accessory Support:Yes
- Scheduled Timing/angle/distance Report:Report position and status at preset intervals
- External Power Status Alarm:Report when external power is disconnected
- Speeding Alarm:Report when speed exceed the pre-set value
- Towing Alarm:From internal 6-axis accelerometer
- Remote Control:Remote output control
- Network Signal Jamming Detection:Report network jamming
- Data Roaming Control:Avoid additional data consumption
- Driving Behavior Monitoring:Aggressive driving behavior detection, e.g. harsh braking and acceleration
- Crash Detection:Accident data collection for reconstruction and analysis
Product Features
- Live Vehicle Location
See your vehicle’s exact location in real-time from your smartphone or desktop. Whether parked or moving, you’ll always know where it is. Perfect for tracking young drivers, company fleets, or preventing theft. - Full Journey History
Access detailed logs of every trip — including route, distance, start/stop times, and speed. Essential for business mileage claims, driver accountability, or family safety tracking. Helps identify usage patterns or unauthorised use. - Battery (Internal or External)
Options include internal battery-powered devices or hardwired units. Ensures uninterrupted operation even when the vehicle is off. Essential for long-term security or tracking trailers/assets without power. - Geo Fences
Set virtual boundaries around specific locations such as home, work, or school. You’ll receive instant alerts when the vehicle enters or leaves these zones. Great for managing fleets or monitoring family members. - Long Battery Life
Internal battery lasts weeks or months depending on usage. Ideal for trailers, boats, or parked vehicles where power isn’t always available. - Compact Design
Sleek, discreet form factor that fits easily under seats, dashboards, or hidden corners. Doesn't affect the look or space in your vehicle. - Waterproof (IP67 Rated)
Built to handle the elements, this device is IP67-rated—fully protected against rain, dust, and splashes. Whether mounted under the vehicle or exposed to outdoor conditions, it’s designed to perform reliably in tough British weather. - SOS Button
Instant emergency alert feature. Drivers can press the SOS button to notify the control centre or emergency contact — perfect for distress situations.
Tech Specs
- Network/Operating Band
LTE FDD Cat 1: B1/B2/B3/B4/B5/B7/B8/B12/
B13/B17/B18/B19/B20/B25/
B26/B28/B66
LTE TDD Cat 1:
B34/B38/B39/B40/B41
GSM/GPRS: 850/900/1800/1900 MHz - Battery Life
2 hours active tracking per day:
10 min reporting – 215 days
5 min reporting – 141 days
1 min reporting – 38 days - GNSS Specifications
GNSS Chipset: All-In-One GNSS Receiver
Parallel GNSS: GPS + Glonass + Beidou + Galileo +QZSS
Horizontal Position Accuracy: Autonomous: < 1.5 m CEP
TTFF @ -130 dBm with (without) EPO: Cold start: < 15s (30s), Warm start: < 2s (25s), Hot start: < 2s (2s) - Interfaces
Data Transmission: USB-C
Network, GNSS, WIFI Antenna: Internal only
Indicator LED: Network, GNSS and Power
FOTA: Yes
Temperature Sensor: 1 internal, and optional external temperature probe - General Specifications
Waterproof: IP67
Dimensions: 91.8mm*43.5mm*29.2mm(”3.61 *1.71” *1.14”)
Weight: 165g(5.85oz)
Battery: Lithium-ion 6400mAh/ 3.7V
Data Communication: USB-C cable
Operating Temperature: -20℃ ~ 80℃ (-4°F ~176°F) - Air Interface Protocol
Transmit Protocol: TCP, UDP, MQTT, SMS
Data Security & Encryption Option: MD5/AES
Low Power Alarm: Sending alarm when battery is low
One tracker, endless possibilities
secure cars, bikes, luggage, and more with a single powerful device
Suitable for Private and Business use
Protect your Cars, Lorries, Bus, JCB, Motor home, Truck, and Delivery Vans with the Letstrack 4G tracker. This discreet tracker ensures safety for all your vehicles.
24/7Call Centre Monitoring
Stay safe with 24/7 call-centre
monitoring, with instant response
to every alert.
Real-time Statistics
Stay updated with live movement and performance data.
Smart Notifications, Everywhere You Are
Get instant alerts on the things or people that matter most.
Packed with Smart Protection
History Made Easy with Automated Trip History. Real-time Statistics with Graphs. Driving Score Analysis
Millions Ready to Help
If your vehicle goes missing, Letstrack instantly creates a post and last known location, so nearby people can help through WhatsApp, Facebook, Instagram, Nextdoor, or any platform you choose.
Track, optimize, and grow your fleet
Trusted Nationwide. Secured Globally.
Join over 1 million users who trust letstrack for safety and control.
VoiceTrack
Enables phone-free, direct voice-based tracking on Amazon Alexa devices.
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A simple, secure way to keep loved ones safe and connected.
Global roaming in 185 countries available on request.
Real Stories. Real Peace of Mind.
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Smart Care for Your Loved Ones
A simple, secure way to keep loved ones safe and connected.



