Smart Guard Wired Engine Immobilizer
|
FREE UK Installation Estimated within 1-4 days |
-
Remote Immobilisation : Remotely cut fuel pump via BLE
-
Hidden Anti-Theft Design: Fully concealed, tamper-resistant
-
BLE 5.0 Connectivity : Instant, encrypted Bluetooth control
-
Dual Control Mode: Control via tracker or phone Bluetooth
-
Long Range Operation: Up to 300m open-field connectivity
Choose options
|
|
FREE UK Installation Estimated within 1-4 days |
|
|
FREE UK Installation Estimated within 1-4 days |
- Remote Immobilisation
Compact, wireless devices provide powerful anti-theft protection. Instantly disable your vehicle remotely via smartphone using BLE 5.0 technology. Cuts the fuel pump, starter, or ignition circuits to completely immobilise the vehicle. A concealed, device-free design makes it virtually impossible for thieves to locate or bypass. - Professional Installation Required
Requires installation by a qualified technician for optimal performance and safety. Installation available as a paid service request through the Letstrack App (Home > Menu > Chat & Support). Not a DIY product. Professional fitting ensures proper integration and complete concealment. - Instant Bluetooth Connectivity
No delays,Strong reliable BLE 5.0 connection ensures immediate response. Quick pairing and instant immobilisation commands give you complete control within seconds. Enhanced security through encrypted wireless communication and can be paired up to 10 devices. - Concealed & Tamper Proof Design
Wireless relay free installation hides the device deep within your vehicle’s electrical system. No visible wiring or relays for thieves to trace. Built in anti tampering protection alerts you instantly to - Flexible Subscription
Plans from £1.99/month or just £89.99 for 5 years Includes family sharing, geofencing, journey history, Bluetooth & sticker tags, and multi device control. Premium or Basic plans available monthly to 5 year terms. Cancel anytime. - Flexible Controlling
Controlled by both remotely & directly. Trigger the relay either remotely via tracker commands or directly from your phone via Bluetooth. Provides dual control options for maximum flexibility. Essential for emergency immobilisation and convenient vehicle control. - Long Range Connectivity
Operating distance up to 300m (open field). Industry leading Bluetooth transmission range for remote control and monitoring. Enables car park control, driveway access, and extended range operation. Superior wireless connectivity. - Multiple Theft Monitoring & Security Alerts
Automatic alerts for theft attempts, speeding, geofence breaches, low battery, movement detection, and unauthorized relocation. - Extreme Weather Performance
Operating between minus 30°C to plus 80°C. Wider temperature tolerance than standard trackers. Reliable operation in extreme cold, hot climates, and harsh weather conditions. Built for all season performance in any environment worldwide. - Can Be Used For
Compatible with trucks, vans, cars, motorcycles, construction vehicles, buses, and motorhomes. Universal immobiliser relay for any vehicle type requiring remote control and immobilisation.
- General Specifications
- Dimensions：21mm*51mm*10mm (0.69” *0.17” *0.32”)
- Weight：20g±1g (0.7oz)
- Operating Voltage：DC 7V~32V
- Standby Current：< 1 mA @ 12V&24V
- Trigger Current：17 mA@12V / 10 mA@24V
- Operating Temperature：-30℃ ~ +80℃ (-22°F ~ 176°F)
- Power Output：+4 dBm
- Transmission Range：Up to 300m (Open Field)
Product Features
- Remote Immobilisation
Compact, wireless devices provide powerful anti-theft protection. Instantly disable your vehicle remotely via smartphone using BLE 5.0 technology. Cuts the fuel pump, starter, or ignition circuits to completely immobilise the vehicle. A concealed, device-free design makes it virtually impossible for thieves to locate or bypass. - Professional Installation Required
Requires installation by a qualified technician for optimal performance and safety. Installation available as a paid service request through the Letstrack App (Home > Menu > Chat & Support). Not a DIY product. Professional fitting ensures proper integration and complete concealment. - Instant Bluetooth Connectivity
No delays,Strong reliable BLE 5.0 connection ensures immediate response. Quick pairing and instant immobilisation commands give you complete control within seconds. Enhanced security through encrypted wireless communication and can be paired up to 10 devices. - Concealed & Tamper Proof Design
Wireless relay free installation hides the device deep within your vehicle’s electrical system. No visible wiring or relays for thieves to trace. Built in anti tampering protection alerts you instantly to - Flexible Subscription
Plans from £1.99/month or just £89.99 for 5 years Includes family sharing, geofencing, journey history, Bluetooth & sticker tags, and multi device control. Premium or Basic plans available monthly to 5 year terms. Cancel anytime. - Flexible Controlling
Controlled by both remotely & directly. Trigger the relay either remotely via tracker commands or directly from your phone via Bluetooth. Provides dual control options for maximum flexibility. Essential for emergency immobilisation and convenient vehicle control. - Long Range Connectivity
Operating distance up to 300m (open field). Industry leading Bluetooth transmission range for remote control and monitoring. Enables car park control, driveway access, and extended range operation. Superior wireless connectivity. - Multiple Theft Monitoring & Security Alerts
Automatic alerts for theft attempts, speeding, geofence breaches, low battery, movement detection, and unauthorized relocation. - Extreme Weather Performance
Operating between minus 30°C to plus 80°C. Wider temperature tolerance than standard trackers. Reliable operation in extreme cold, hot climates, and harsh weather conditions. Built for all season performance in any environment worldwide. - Can Be Used For
Compatible with trucks, vans, cars, motorcycles, construction vehicles, buses, and motorhomes. Universal immobiliser relay for any vehicle type requiring remote control and immobilisation.
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
Stop Your Vehicle Instantly. Complete Remote Immobilisation
One tap on the Letstrack app and your vehicle is completely immobilised within seconds. The most effective wireless remote engine immobiliser for cars, vans and motorcycles in the UK
Works with Almost Every Vehicle
Compatible with cars, vans, trucks, motorcycles, buses, construction vehicles, motorhomes and caravans. One universal immobiliser for your entire fleet
Instant Geofence Alerts
Set custom boundaries around your home, workplace or depot and receive instant alerts whenever your vehicle crosses them
Track your vehicle. Protect every mile
A simple, secure way to keep your Vehicle safe and connected.
Two Ways to Control Your Vehicle
Trigger the immobiliser remotely via tracker commands or directly from your phone via Bluetooth. Maximum flexibility for emergency immobilisation and everyday vehicle security
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.
Built for Every British Season
Operates in temperatures from minus 30°C to plus 80°C. Reliable in freezing winters, summer heat and all UK weather conditions year round
Smart Guard. Smart. Strong. Superior
The Letstrack Smart Guard Tracker gives you complete remote immobilisation control from anywhere in the world with a single tap on the Letstrack app
Works with Alexa. Check Your Vehicle Without Lifting a Finger
Just say "Alexa, where is my car?" and get an instant live update completely hands free. The smartest way to control your vehicle security without touching your phone
Global roaming in 185 countries available on request.
Real Stories. Real Peace of Mind.
A simple, secure way to keep loved ones safe and connected.
Smart Care for Your Loved Ones
A simple, secure way to keep loved ones safe and connected.
Real Stories. Real Peace of Mind.
A simple, secure way to keep loved ones safe and connected.
FAQ
The Smart Guard Tracker is a compact, wireless engine immobiliser that lets you instantly disable your vehicle using your smartphone. It cuts the fuel pump, starter, or ignition circuit via Bluetooth 5.0, making it extremely difficult for thieves to start or move your vehicle.
Simply open the Letstrack app and tap to immobilise. The Smart Guard responds instantly, cutting your vehicle’s fuel pump, starter, or ignition circuit within seconds. You can also trigger it directly from your phone via Bluetooth without needing an internet connection.
Important: Immobilisation only works within 5 meters of the device’s BLE range, so ensure you are close to the vehicle before activating. Misuse may prevent the vehicle from restarting until re-enabled.
Letstrack is the only tracking ecosystem that brings your vehicle, family, and belongings together in one award-winning app. Our Shield approved device is accepted by major UK insurers, helping reduce your premium. With Alexa voice control, multi-language support, nationwide coverage, and a Circle that keeps your whole family connected. There is simply nothing else like it.
You can watch our step-by-step help videos directly in the Letstrack app or online. These guides make it easy to set up, connect, and manage all your devices in one place.
No. The Smart Guard Tracker uses minimal power and is professionally installed to avoid draining your vehicle battery. It is designed for long term reliability without affecting your vehicle performance.
Up to 5 metres in an open field. Immobilise your vehicle from your driveway, a car park or anywhere within range with instant response.
It is extremely difficult. The concealed relay free design hides deep within your vehicle's electrical system with no visible wiring to trace or bypass. Anti tampering alerts are sent instantly to your phone if anyone tries to interfere with the device.
Yes. Professional fitting by a qualified technician is required for optimal performance and complete concealment. Request installation through the Letstrack app under Home, Menu and Chat and Support.
No, the Smart Guard Tracker does not integrate with Amazon Alexa. However, other Letstrack products and features within the Letstrack app can be used for voice-enabled convenience and smart control, giving you hands-free access to tracking and security functions.
Cars, vans, trucks, motorcycles, buses, construction vehicles, motorhomes and caravans. Compatible with virtually every vehicle type.
Yes. Operates in temperatures from minus 30°C to plus 80°C. Reliable in freezing British winters, summer heat and all weather conditions year round.
Yes. Set custom boundaries around your home, workplace or depot and receive instant alerts whenever your vehicle crosses them. Perfect for fleet operators, parents and businesses.
Plans from £1.99/month or just £89.99 for 5 years Includes family sharing, geofencing, journey history, Bluetooth & sticker tags, and multi device control. Premium or Basic plans available monthly to 5 year terms. Cancel anytime.
Remote control triggers the immobiliser from anywhere in the world via the app. Direct control triggers it via Bluetooth from within 300 metres of the vehicle. Both give you instant immobilisation whenever you need it.
Yes. Built in anti tampering protection sends an instant alert to your phone the moment anyone tries to interfere with or remove the device.
Yes. Fleet managers can control and immobilise multiple vehicles remotely from one app. With geofence alerts, multi device control and shared access, it is one of the most effective fleet security solutions for UK businesses.
