4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing
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Product Highlights
- Real-time Tracking & Alerts: Supports real-time positioning, historical trajectory, and multiple alarm types including overspeed and vibration.
- Wide Voltage Input: Compatible with 9V to 90V input range, suitable for cars, trucks, motorcycles, and electric vehicles.
- High Precision Positioning: GPS chipset AT6558r with location accuracy under 10m and built-in satellite ceramic antenna.
- Fast Cold Start: Cold start time is 32 seconds in open sky conditions for quick location acquisition.
- Comprehensive Certifications: Certified with RoHS, ISO/TS16949, ISO14001, ISO2000, FCC, and CE standards.
- OEM & ODM Services: Customizable logo, color, platform, and APP with professional technical support.
- 1-Year Warranty: Includes a 1-year warranty period for all mechanical defects.
- Multi-Function Alarms: Features collision, sharp turn, power failure, and rapid acceleration/deceleration alarms.
Product Attributes
- Customization
- Available
- Screen Size
- No Screen
- Use
- Automotive
- Model NO.
- GT21N-B
- Certification
- RoHS, ISO/TS16949, ISO14001, ISO2000, FCC, CE
- Warranty
- 1 Year
- Frequency(Lantin)
- LTE-FDD:B1/B2/B3/B4/B5/B7/B8/B28/B66
- Working Voltage/Current
- DC9 -90V/30mA@12V
- Backup Battery
- 55mAh/3.7V
- Working Temperature
- -20ºC to +70ºC
- Memory
- 8MB
- GPS Chipset
- At6558r
- Location Accuracy
- <10m
- Antenna
- Built-in Satellite Ceramic Antenna, 4G FPC Antenna
- Transport Package
- Box
- Specification
- 74*30*13mm
- Trademark
- Great-will
- Origin
- China
- HS Code
- 8526919090
- Production Capacity
- 20000PCS/Day
- Package Size
- 7.40cm * 3.00cm * 1.30cm
- Package Gross Weight
- 0.950kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing
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4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing -
4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing -
4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing -
4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing -
4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing -
4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing -
4G GPS GSM Chips Wired GPS Tracker Vehicle Car Location Tracking Geo-Fencing
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Product Description
4G GPS GT21N Specification | |
Built-in LED indicator | Satellite (blue), network (green), power indicator (red) |
Working Voltage | 30mA@12V |
Location module | AT6558R |
Communication system | TDD-LTE/FDD-LTE |
Frequency | FDD:B1/B3/B5/B8 TDD:B34/B38/B39/B40/B41 |
Location accuracy | <10m |
Tracking sensitivity | -165dBm |
Tracking sensitivity | -148dBm |
TTFF | Hot Start:1sec (open sky) Cold Start:32sec (open sky) |
It has a built-in 25*25mm large-size satellite antenna, has good satellite search capabilities, strong signal reception capabilities, and accurate positioning.
It supports TTL serial port communication and can communicate with various types of peripherals.
2. Historical trajectory
3. Electronic fence
4. Overspeed alarm
5. Vibration alarm
6. Power failure alarm
7. Rapid acceleration and deceleration alarm
8. Sharp turn alarm
9. Collision alarm
OEM ODM Product (Logo/Color/Other)
Custom Platform APP&SIM IOT Card
Capacity: 20000,000 units/month
The higher the MOQ, the more discounts and offers
Can view the corresponding IOT traffic details
Can remotely control and set parameters
When the vehicle speed increases rapidly due to sudden accelerator pedaling, or decreases rapidly due to emergency braking, the device can report the rapid acceleration and deceleration alarm information via SMS and phone call. The center number needs to be set. The default detection time is 3S, the range can be set from 1 to 30s, and the speed change can be set from 10 to 255km/h.
Q: Sharp turn alarm
When the vehicle makes a sharp turn during driving, the device can report the sharp turn alarm information via SMS and phone call, and the center number needs to be set. The default detection time is 3S, and the range can be set from 1-30s. The default driving threshold for sharp turns is 20km/h, and the range can be set from 10-100km/h. The turning angle can be set from 15° to 90°.
When the vehicle collides with other objects or vehicles during driving, the device can report collision alarm information via SMS and phone calls. The center number needs to be set. The default collision trigger value is 96. The lower the value, the easier it is to trigger. The setting range is 1-255.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR262180". Items marked "
" are certified.
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Company Profile
GreatWill is a global innovative enterprise deeply involved in the fields of intelligent vehicles accessories and IoT.
Dedicated to the research and production of intelligent in vehicle devices, AI video remote information processing, and IoT location services.
Over 18 Years of Experience in Smart In-Vehicle Device Services
Smart in-vehicle solution development - We provide integrated video remote monitoring and location management solutions combining GPS trackers and dash cams, to meet the operational needs of various sectors such as fleets, logistics, and passenger transportation.
Great Will Core Product Series
Smart Dash Cams
Smart In-Car Accessories
AI Smart Systems
Smart Vehicle GPS Trackers
Software & Cloud Services
Great Will Industry Solutions
Customized services tailored for scenarios including logistics, taxi services, school bus transportation, public buses, police vehicles, and more.
R&D Capabilities (Patents + Expert Team)
1. ODM Technical Support
In-house patents for appearance design & core function development, covering all key areas of smart vehicle devices
Ergonomic & aesthetic design that fits seamlessly with various car interiors
Balances easy installation and visual harmony for end-users
2. Device Function R&D
Full-cycle R&D system dedicated to smart vehicle tech
Optimized core functions: 2K UHD recording, low-light noise reduction, panoramic stitching (boosts clarity & stability)
Self-developed algorithms: ADAS, DMS, license plate recognition
Solved pain points: Multi-device collaboration, vehicle-home connectivity, remote control
Dual security mechanisms (cloud encryption + local privacy protection) safeguard user data & privacy
3.24/7 Online Technical Support
Expert R&D team with 8+ years of experience in smart hardware, AI algorithms & IoT
Proven track record in project delivery & technical problem-solving
Efficient R&D → Testing → Iteration innovation loop for fast product upgrades
4. Global Certifications & Qualifications
Fully compliant with major global market access standards
Key certifications obtained: CE, RoHS, ISO 9001
Ensures legal sales & reliable performance worldwide
Application Scenarios
Great Will is anchored in the core hardware of GPS tracker and dash cam. We deliver all-round vehicle management and GPS tracking solutions for industries including logistics, transportation, municipal services, engineering and commercial operation, driving a substantial boost in operational efficiency and intelligent management. With industry-tailored solutions + full-process technical empowerment + long-term service assurance as Great-will's core strategy, we have integrated the entire vehicle management chain covering real-time tracking, intelligent dispatching, compliance supervision and data-driven decision-making. This enables an exponential leap in vehicle management efficiency across various industries, and fully facilitates the intelligent and refined operational upgrade of fleets.
Vehicle Fleets (Automobiles)
Buses & Coaches
Automotive Dealers
Motorcycles(Snowmobiles)
Food delivery & Courier Vehicles
Financial Companies
Trailers & RVs
Freight Transportation & Logistics
Construction
Heavy-duty Trucks
Warehousing
Industrial Equipment
Commercial Vehicles
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Building A2, Gosun West Lake Intelligence Industrial Park, Shuikou, Huicheng District, Huizhou, Guangdong, China
-
Plant Area
- 800 square meters
-
Number of Employees
- 16
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- EXW, FOB
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 100 PCS
Our Production Capability & Technical Expertise
- Main Products
- Car Black Box Dash Cam, Car Driving Video Recorder, 4G Ai Dashcam, Vehicle Surveillance Camera, Wireless GPS Tracker, Wired GPS Tracker, 2g GPS Tracker, 4G GPS Tracker, GPS Tracking Device Vehicle, Long Standby Time GPS Tracker
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-01-08
- Export Year
- 2006-06-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the rapid acceleration and deceleration alarm?
- When vehicle speed increases rapidly due to sudden accelerator pedaling or decreases rapidly due to emergency braking, the device reports alarm info via SMS and phone call. Default detection time is 3S (range 1-30s), speed change range 10-255km/h.
- What is the collision alarm setting?
- When the vehicle collides with objects or vehicles, the device reports alarm info via SMS and phone calls. Default trigger value is 96 (range 1-255). Lower values make triggering easier.
- What is the location accuracy of the device?
- The device uses the AT6558R GPS chipset with a location accuracy of less than 10 meters.
- What voltage range does the tracker support?
- The GT21N supports a wide voltage input range of 9V to 90V.
- Is OEM and ODM service available?
- Yes, the product supports OEM and ODM services including customization of logo, color, platform, and APP.
- What certifications does the product have?
- The product is certified with RoHS, ISO/TS16949, ISO14001, ISO2000, FCC, and CE.
- What is the warranty period?
- The product comes with a 1-year warranty.
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