HELMER LK 551 4G GPS tracker for monitoring and protecting cars, caravans, boats, or trailers; supports both 4G LTE and 2G.

Helmer LK 551 4G — GPS Vehicle Security Tracker

Do you need a reliable way to track and protect your vehicles, caravans, boats, or trailers? The Helmer LK 551 4G GPS tracker is designed for precise and efficient monitoring, supporting both 4G LTE and 2G networks. Thanks to its built-in 10,000 mAh battery, the device offers up to 180 days of operation in power-saving mode, eliminating the need for frequent recharging. Real-time online location tracking and access to movement history are available for free, with no subscription required. The tracker also stands out for its remote security features, such as vehicle immobilization via SMS.

Precise Location Tracking and Easy Management

The Helmer LK 551 4G provides accurate GPS positioning with a margin of error of just 5 meters, thanks to its -165 dBm sensitivity. You can monitor the location via the Baanool IOT web platform or the mobile app for Android and iOS, where historical route data is also available. This system is ideal for vehicle owners who want to keep track of their assets' location anytime, anywhere.

Flexible Power Supply and Long Battery Life

The tracker can be powered either by the vehicle's electrical system using the included wiring harness and relay, or independently via its integrated battery. Depending on the selected operating mode, the battery lasts up to 30 days with constant online connectivity, 50 days in smart mode, and up to 180 days in power-saving mode. This ensures maximum flexibility for long-term use.

Advanced Security Features

The device offers a wide range of security features. These include geo-fence notifications that alert you if the device leaves a designated area, as well as alarms for movement, vibration, and speeding. A light sensor triggers an alert in the event of tampering with the tracker. An SOS button is available for emergencies, sending alert messages to preset phone numbers. Additionally, remote vehicle immobilization via SMS command serves as an invaluable tool for enhancing asset protection. ### Technical Specifications

• Network support: 4G LTE (B1/B2/B3/B4/B5/B7/B8/B28A/B28B/B40), 2G (850/900/1800/1900 MHz)
• Battery: 3.7 V, 10,000 mAh lithium-ion, rechargeable
• GPS sensitivity: -165 dBm
• GPS accuracy: 5 m
• Operating temperature: -20 °C to +45 °C
• Dimensions: 106 × 63 × 37.5 mm
• Weight: 343 g

Package Contents

• Power cable
• User manual
• Wiring harness
• Relay