D21L 4G GPS locator
Introducing the modern Spreest brand locator - a reliable real-time vehicle tracking solution, ideal for fleet management companies and private car owners.
The device offers a lifetime software subscription without any fees, guaranteeing full functionality without additional costs.
The device can be easily connected to the battery, fuses, lights, or another power source with a voltage from 9V to 90V. The set includes complete wiring with adhesive tape, and optionally you can purchase a relay for remote ignition cut-off.
Additionally, the locator is equipped with an external microphone and an SOS alarm button on the cable, which can be mounted in the vehicle cabin.
It works great in passenger cars, motorcycles, trucks, campers, agricultural and construction machinery, as well as in boats or electric bicycles.
Thanks to the intuitive application (mobile and browser-based) in Polish, you have:
- accurate real-time positioning,
- remote management and configuration,
- access to route history up to 6 months back.
Along with the device, you receive full technical support and a user manual in Polish (available for download under the product description).
To activate the locator, you need a card with an internet package – you can use your own or take advantage of our offer (the cheapest option on the market). No need to register an account, configure the locator, pay subscriptions, etc.
When purchasing one of our cards, simply turn on the device to immediately enjoy full functionality.
- Variant 1 - The starter data package is sufficient for about 33 months of average location usage*, the card does not expire for 10 years.
- Variant 2 - The starter data package is sufficient for about 13 months of average location usage*, the card does not expire for 3 years.
Before the package runs out, we will remind you by phone about the possibility of purchasing another package at a fixed price.
The selected card variant is available as part of another offer or a set with this offer.
*The scenario does not include changing the default operating mode. Communication occurs exclusively via the platform.
Key Features
- Real-time tracking: online preview in mobile and browser applications.
- Ignition cut-off (manual) – after purchasing a relay, you can remotely cut off fuel or vehicle power directly from the application.
- Ignition cut-off (automatic) – the device allows you to set a schedule that automatically cuts off or restores power at selected times.
- History up to 6 months: analysis of routes, speeds, and stops.
- No subscriptions: Lifetime software subscription included in the device price.
- SIM card with Internet required: You can use your own card or buy a ready-to-use one from us.
- Interface in Polish: application, support, and manual.
- Alarms: vibration, overspeed and area exceedance, device shutdown, low battery.
- 4G network: stable and fast data transfer.
- IP67 certification: Waterproof and dustproof, resistant to harsh conditions.
- Remote listening – possibility to listen to sounds around the locator (option unavailable when purchasing our card).
- SOS button – possibility to send an alarm to 3 numbers.
- Satellite positioning: accuracy up to 2 m.
- Emergency power supply: up to 4 hours of operation without external power supply.
- Driver behavior analysis: Detailed driving style reports.
Application Features
- Live tracking (GPS/BDS/LBS/WiFi, accuracy ≤ 2 m): satellite map, address, speed.
- 6-month history: routes, speeds, locations, and stop times.
- Statistics: mileage, average speed, number and duration of journeys, overspeeding.
- Geo-zones: you define areas, and the application notifies you upon entry/exit.
- Maps (Google, Apple, Baidu, Bing): plan, satellite, road layers, POI.
- Sharing: live preview link (WhatsApp, Messenger, etc.).
- Alerts: overspeed, vibration, shutdown, loss of connectivity.
- Vehicle personalization: names, icons, photos, notes, contacts.
- Multiple locators and groups ("Company", "Family") in one application.
- Service and reminders: repair history, alerts for insurance and technical inspections.
Alarms
- Overspeed – when the vehicle travels faster than the set limit.
- ACC Alert – detection of vehicle ignition on or off.
- Zone Violation – notification of entry into or exit from a designated area.
- Low battery / voltage – signal of low charge level or drop in power supply voltage.
- Static threshold – alert for sudden stop or unusual change in speed.
- Hard braking – detection of a rapid decrease in speed below the threshold.
- Sharp turn – signal of exceeding the permissible turning angle.
- Device shutdown – information about unauthorized locator shutdown.
- Vibrations – alert for excessive vibrations or vehicle impacts.
- Offline – loss of connection with the device.
Locator Components
- Upper housing – protects components, made of matte plastic.
- 8-wire connection – integration with the vehicle's electrical system.
- Micro SIM slot – provides connectivity and online tracking.
- Positioning module – precise location determination.
- PC&ABS material – resistant to high temperatures and damage.
Connection Diagram
- Red cable: V+ (9-90V) – power supply cable
- Black cable: V- – ground cable
- Yellow cable: IGNITION – ignition cable
- Green cable: RELAY – relay control cable
- Blue cable: SOS – SOS button cable
- Orange cable: MICROPHONE – microphone cable
Technical Specification
- Operating voltage: DC 9V - 90V, allowing wide application in various types of vehicles.
- Operating current: 30mA at 12V
- Static current: 3mA when the device is not charging, minimizing energy consumption in standby mode.
- Aiming method: GPS/BDS/GLONASS
- Positioning error: Less than 10 meters, ensuring precise location tracking.
- Communication network: 2G, 4G
- Semi-blind memory capacity for point tracking: 600 location points (saved in case of network connection loss)
- Communication frequency band: 4G LTE-TDD, LTE-FDD supporting various network standards.
- Communication mode: TCP
- Operating temperature range: -20°C to +70°C
- Operating humidity: 10%RH - 85%RH
- Dimensions: 79mm x 33mm x 16mm
- Weight: 40g
- Built-in battery capacity: 100 mAh, providing short-term power in case of external power loss.
Included in the set
- 1x GPS D21L 4G Locator
- 1x Installation cables including power supply (with the possibility of connection as a fuse)
- Double-sided adhesive tape for mounting
- 1x External microphone on cable
- 1x External SOS button on cable
- User manual
A card with an internet package from our offer or another provider must be purchased separately.
Note
Please read the manual before using the device for the first time.
The manual in Polish in electronic version is available for download in the attachment. You can find it below or above our product description.
