To use the system, a valid user registration and subsequent login are required. Upon login, the system verifies the provided data; if the data is correct, the user gains access to the system's services. In case of a forgotten password, it is possible to request a temporary password. Registered data can be modified at any time later through the system's Profile function.
Ningmore NT21S-SA 4G LTE relay GPS tracker – Discreet, built-in vehicle protection
GPS tracker disguised as a relay, designed for the covert protection of vehicles (cars, motorcycles, scooters). It can be integrated into the vehicle's electronics, ensuring it remains undetectable. It communicates on the 4G LTE network, providing real-time tracking and advanced alert functions. More information
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In stock19 pcs
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Local pickupFree
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Expected delivery6 - 7 Working day
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Guarantee24 months
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Home delivery85 €
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Location of goodsHungary
Ningmore NT21S-SA 4G LTE relay GPS tracker – Discreet, built-in vehicle protection
The Ningmore NT21S-SA 4G LTE is a professional tool for precise positioning and invisible vehicle monitoring. It is specifically designed for users for whom discretion is a critical aspect: the device is disguised as a standard car relay, so when built into the vehicle's electronics, it remains completely unnoticed by unauthorized persons.
The device utilizes modern 4G LTE and 2G networks for data transmission, ensuring fast and stable communication. It supports internet data transfer and continuous connection with professional data collection and processing systems. It features digital inputs and outputs, allowing for additional control options for fleet operators.
Discreet Relay Design
The greatest advantage of the NT21S-SA is its shape. Since it looks identical to a general electrical relay, it is unrecognizable to thieves. Integrated into the vehicle's wiring harness, it receives continuous power while constantly sending position data to the central server or via SMS to the user's phone.
Features and Specifications
- Multi-system Positioning: Collaboration with GPS and BEIDOU satellites for high accuracy.
- 4G LTE Technology: Fast data transfer and stable connection worldwide (with a micro SIM card).
- Flexible Querying: Management of position data and settings via SMS or online software.
- Intelligent Control: Built-in gyroscope for motion detection and energy-saving sleep modes.
- Digital I/O: Inputs and outputs for monitoring vehicle status and remote intervention.
Security Alerts
- Displacement Detection: Alert if the vehicle moves from a stationary position.
- Power Cut-off Monitoring: Immediate notification if the battery is disconnected or the power cable is cut.
- Overspeed: Warning when the set speed limit is exceeded.
- Digital Fence (Geofencing): Notification when leaving designated zones or arriving at a Point of Interest (POI).
Package Contents
- Ningmore NT21S-SA 4G LTE relay GPS tracker
- Wiring harness for professional installation
- Setup guide
Terms of Use
For the normal operation of the device, an active connection is required with positioning satellite systems and mobile service providers' networks. Data transmission is carried out using the (replaceable) micro SIM card placed inside, which ensures communication between the user's phone or the central system.
Operating Region
- 4G: Global
- 2G: Global
Purchase Options
- Base Package: You purchase only the device; the buyer is responsible for the SIM card, its settings, and operation (top-ups, annual data reconciliation).
- Software Package: We deliver the device with software registration, ready for use, but providing the SIM card is the buyer's responsibility.
- Full-service Package: We provide the device, the software, and the SIM card, and we take care of the card's continuous operation.
In case of a software subscription, if you wish to use our software's SMS alert service in addition to email notifications, please also purchase an SMS credit package in our webshop.
The device descriptions and images on the website are based on information published by the manufacturer, which are not always accurate or error-free. The manufacturer reserves the right to modify certain parameters or packaging of the product without prior notice - the update of the data related to these on our website takes place after the detection and evaluation of the changes.
View full description Close| Design | |
|---|---|
| Width | 40 millimeter |
| Height | 70 millimeter |
| Length | 40 millimeter |
| Weight | 43 gram |
| Material | plastic |
| Ingress Protection Rating | 65 |
| Color | black |
| Operation | |
| Operating temperature without battery minimum | -20 Celsius |
| Operating temperature without battery maximum | 55 Celsius |
| Operating humidity minimum | 5 % |
| Operating humidity maximum | 95 % |
| Cold start | 80 second |
| Warm start | 35 second |
| Hot Start | 1 second |
| Battery standby time | 14 hour |
| Battery operating time | 1 hour |
| GPS Sleep | yes |
| Minimum data upload frequency | 10 second |
| Data upload frequency is maximum | 43200 second |
| Set language | yes |
| GPS | Yes |
| Manual geofencing | yes |
| GPS | yes |
| Energy | |
| Internal battery | yes |
| Backup battery capacity | 61 mAh |
| Backup battery voltage | 3.7 V |
| External power source | yes |
| Input (DC) voltage minimum | 9 V |
| Input (DC) voltage maximum | 60 V |
| Power consumption Online Sleep | 4 mA |
| Power consumption Nominal | 61 mA |
| Interface | |
| Internal GSM antenna | yes |
| Internal GPS antenna | yes |
| Digital input number(s) | 1 |
| Digital output number(s) | 1 |
| GSM LED | yes |
| GPS LED | yes |
| Internal GNSS antenna | yes |
| USB micro | yes |
| Communication | |
| GPS | yes |
| GLONASS | yes |
| BEIDOU | yes |
| AGPS | yes |
| Sensitivity | -159 dBm |
| GNSS channel number | 32 |
| Accuracy | 5 meter |
| GSM module | SIMCOM 7670SA |
| 2G GPRS | yes |
| 2G Operating Region: World | yes |
| 2G Operating Region: Middle East | yes |
| 2G Operating Region: North America | yes |
| 2G Operating Region: South America | yes |
| 2G Operating Region: Europe | yes |
| 2G Operating Region: Asia | yes |
| 2G Operating Region: Africa | yes |
| 2G Operating Region: Australia | yes |
| 2G Operating Region: Asia Pacific | yes |
| 4G network | yes |
| 4G Operating region: North America | yes |
| GPS module name | SIMCOM 7670SA |
| 4G Operating region: South America | yes |
| 4G Operating Region: Australia | yes |
| 4G lte | yes |
| FDD 4G Band 1 | yes |
| FDD 4G Band 2 | yes |
| FDD 4G Band 3 | yes |
| FDD 4G Band 4 | yes |
| FDD 4G Band 5 | yes |
| FDD 4G Band 7 | yes |
| FDD 4G Band 8 | yes |
| FDD 4G Band 28 | yes |
| FDD 4G Band 66 | yes |
| SMS | yes |
| GSM 850 | yes |
| GSM 900 | yes |
| GSM 1800 | yes |
| GSM 1900 | yes |
| SIM card normal | yes |
| Mapping Wifi MAC addresses | yes |
| Accessory | |
| Power cable | yes |
| Fuse | yes |
| Sensor | |
| Accelerometer | yes |
| Removal detection sensor | yes |
| Speed sensor | yes |
| Alarm | |
| Overspeed alarm | yes |
| Geofence entry alarm | yes |
| Geofence exit alarm | yes |
| Low battery alarm | yes |
| Displacement alarm | yes |
| Removal alert | yes |
| Data storage | |
| Internal memory | 4 Megabyte |
| Certificate | |
| CE/RED | yes |
| RoHS | yes |
| Setting option | |
| Via SMS | yes |
| Via Internet | yes |
Tracking Software Application
Flexcom tracking software provides professional services that allow you to determine at any moment where your monitored assets (vehicles, machinery, shipments, or valuable equipment) are located, where they are headed, and what routes they have taken. All of this can be tracked on an interactive map, and related status reports can be displayed and queried in text format – even retroactively, for any specified period. In addition to basic functions, POI points can be added and alerts can be configured.
The software works with various types of tracking devices, from permanently installed on-board units to mobile, installation-free portable models. No special expertise or unique computer software is required to operate the devices and use the map service – any standard computer, tablet, or smartphone with an internet connection is sufficient.
Key Features
Do you want to achieve truly high-level GPS tracking?
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Map Visualization

Track your devices on different types of zoomable maps, and check their status and surroundings.
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Real-Time Tracking

Continuously monitor the movement of your fleet and receive real-time information on their current position.
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Route History

Review the routes previously traveled by vehicles: road sections, stopping points, and related data. You can also generate graphical analyses for these.
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Device Information

Up-to-date information on device status and vehicle operating parameters (e.g., ignition, speed).
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Alerts

Receive instant notifications via email or SMS about device or vehicle-related events – such as movement, POI zone crossing, towing, ignition, low battery, SOS signals, etc.
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POIs

Add points and areas important to you to the map. You can set alerts for these or display the data in reports (e.g., journey logs) within the system.
Demo Videos
- User Management
System Access
- Using the Map
Map Types and Functions
The map is a fundamental element, the "background interface" of the system. During tracking, several types of maps can be used, such as versions specialized for road networks, pedestrian, or bicycle routes in the case of Open Street Map.
- Device Management and Tracking
Retrieving Device Information
After a successful login, the system displays our devices on the map. In addition to the real-time display of their current movement, you can obtain detailed information by selecting any device:
- On the device's position (coordinates and address)
- On device and network characteristics (e.g., battery level, GSM and satellite connections)
- On the physical status (e.g., fuel, battery, operating hours) of the vehicle or equipment equipped with the tracker.
Route DisplayIn the tracking system, you can see not only current events, but previous events related to devices and vehicles can also be retrieved. Routes for a specific period can be requested. The system displays the route and related event points on the map, providing detailed information: the time taken for each section, the speed of travel, the distance covered, and where and for how long the asset waited.
Device SettingsYou can configure how the central system handles your devices and incoming data. Devices can be grouped, labeled, or marked with colors on the map. The system can be configured with measurement units (e.g., kilometers or miles), motion detection modes, and time zone specifications.
AlertsThe system can send notifications (alerts) about events related to vehicles or devices, such as displacement (movement), towing, or leaving specific zones. Alerts can be set up individually for each device. For certain devices, SOS calls and messages are a special feature, operating by calling pre-set phone numbers and sending emails and/or SMS notifications.
CommandsThe complete system consists of tracking devices and tracking software. As technical equipment, the devices have their own operating settings, such as position reporting frequency, contact numbers, alarm or time zone settings, sounding a signal for searching, remote shutdown, etc. These settings and actions can be performed through the software's Send Command function.
ReportsIn addition to graphical map data and directly related text data, complex reports can be generated using the Reports function. A frequently used report, for example when tracking vehicles, is the journey log (logbook).
- Managing POIs
Adding POIs
POIs (Points of Interest) are significant locations that you want to mark on the map. A POI can be a point (e.g., a gas station or shop) or an area (e.g., a plot of land). Accordingly, point-based and area-based POIs can be added to the tracking system, and the shapes of the latter can be drawn manually. Alerts can also be assigned to POIs for when a tracking device arrives at or leaves them.
- Event Management
Events and Recording. Using the Event Log.
Events occur continuously within the tracking system. Devices detect movement, stops, and physical impacts. The processing system analyzes the incoming data and determines the related events, which are recorded in the event log. The log is available for customers to view and can be filtered or queried based on various criteria.
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Frequently Asked Questions
What rules apply to the tracking of company or employee vehicles?
When tracking company or employee vehicles, we always recommend informing the affected employee and obtaining their written consent. This is important not only for GDPR compliance but also for maintaining workplace trust.
How much experience does FlexCom have in the GPS technology field?
FlexCom Kommunikációs Kft. has over 10 years of professional experience in the sale and repair of GPS devices and the development of proprietary GPS software. Our expertise guarantees that our customers receive the most reliable technological solutions.
How is warranty management and service handled?
We provide a full warranty for devices purchased from us. FlexCom Kommunikációs Kft. has its own technical support background: we perform professional repairs for minor issues in coordination with the manufacturer, and for major malfunctions, we provide device replacement through the manufacturer's replacement process.
Are the devices new and original?
Yes, we exclusively sell new, original, and certified devices sourced directly from manufacturers. We do not sell used or refurbished products, ensuring full manufacturer warranty and reliable quality.
Are the devices unlocked, and can I use them with other providers?
Yes, all GPS trackers we sell are SIM-lock free. The devices can be used with any mobile service provider, and there are no software or hardware restrictions hindering your free choice.
Can I purchase the device without a SIM card and software?
Yes, the price displayed in our webshop is the standalone purchase price of the device. The SIM card and software package are optional accessories and are not required to purchase the device.
Do the trackers store personal data?
The trackers record technical data related to movement. Flexcom is committed to GDPR compliance, ensuring that all recorded data is managed transparently, securely, and under the user's complete control.
For what purposes can Flexcom GPS devices be used?
Our devices are primarily designed for fleet tracking, theft protection for bicycles, motorcycles, and cars, and logistics optimization. Their use is intended to enhance asset protection in compliance with all legal regulations.
Why do I need proprietary software for tracking?
Our proprietary Flexcom software ensures the highest level of data privacy and reliability. Only authorized users can access the stored data, ensuring your assets or vehicles remain securely under your control.
How can I use the GPS tracker legally?
We recommend using our GPS trackers exclusively in accordance with applicable data protection laws, with the express consent of the owner of the vehicle or property, or on assets you personally own. Our devices are designed for professional security and fleet management purposes.














