What is the warranty period for this product?

The product comes with a 2-year warranty.

4G+2g GPS Tracking Device Acc Detection Car SMS Commands SIM IoT Card

Name: 4G+2g GPS Tracking Device Acc Detection Car SMS Commands SIM IoT Card
Brand: Huizhou Great-Will Industrial Co., Ltd.
SKU: 1921594815

Guangdong, ChinaHuizhou Great-Will Industrial Co., Ltd.

US$19.00

1-999 Pieces

US$15.00

1,000-2,999 Pieces

US$14.00

3,000-4,999 Pieces

US$13.00

5,000+ Pieces

Sample price:US$19.00/piece.Request sample

Product profile

Customization

Available

Screen Size

No Screen

Use

Automotive

Model NO.

GT21N-B

Certification

RoHS, ISO/TS16949, ISO14001, ISO2000, FCC, CE

Warranty

2 Years

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

Carton Box

Specification

L79mm *W33.3mm*H12.5mm

Trademark

Great-will

Origin

China

HS Code

8526919090

Production Capacity

20000PCS/Day

Key features

Comprehensive Alarm System: Supports rapid acceleration, sharp turn, collision, vibration, power failure, and overspeed alarms via SMS and calls.

Wide Voltage Input: Compatible with 9V to 90V input range, suitable for cars, trucks, motorcycles, and electric vehicles.

High Precision Positioning: GPS accuracy under 10m with built-in satellite ceramic antenna and strong signal reception.

Fast Cold Start Time: Cold start time is 32 seconds in open sky conditions for quick location acquisition.

Multi-Protocol Support: Supports TDD-LTE and FDD-LTE with extensive frequency bands for global coverage.

OEM and ODM Services: Customizable logo, color, platform, and professional technical support solutions available.

Durable Certification: Certified with RoHS, ISO/TS16949, ISO14001, FCC, and CE standards.

2-Year Warranty: Comes with a 2-year warranty period for peace of mind.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Huizhou Great-Will Industrial Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-06-01 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.48h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHuizhou Great-Will Industrial Co., Ltd. is a China-based trading company established in 2007 with 20 employees. It offers location-tracking platform software, software development assistance, installation guidance, technical support, 3D software design, ODM, OEM, and multiple customization options. Its R&D function includes two engineers, documented design and validation records, and stated new-product activity during the past year. Service processes include written procedures for service assessment and customer complaints, but no written corrective and preventive action mechanism is reported. The supplier has inventory capability and access to 32 qualified service suppliers, with stated lead times of within 15 working days off-season and one month during peak season. It lacks overseas warehouse and showroom capabilities, has no available SDK, and its manufacturing-capacity contract status is unknown. The provided information does not establish certifications, financial strength, production assets, or...

Supplier typeThe supplier is consistently identified as a trading company, specifically Huizhou Great-Will Industrial Co., Ltd., a limited company in Guangdong, China. The available profile describes trading and service coordination rather than direct manufacturing ownership.

After-Sales capabilityThe supplier states that engineers provide technical support for after-sales service, and it maintains written procedures and records for customer complaints. However, the reported absence of written corrective and preventive action procedures indicates a documented process gap in service improvement.

R&D capabilityThe supplier reports new-product activity during the past year, two R&D engineers, R&D responsibilities covering new-product development, and auditable design input, output, review, verification, and validation records. It also offers 3D design and ODM services, although no SDK is available.

Customization capabilityThe supplier offers customizable platform software, professional software development and installation guidance, 3D software design, and customization ranging from samples and designs to full, minor, and flexible customization. ODM and OEM services are also reported, providing explicit evidence of broad customization support.

Product Q&A

Q:What is the rapid acceleration and deceleration alarm?

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:What is the collision alarm feature?

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.

Q:What is the location accuracy of the device?

The device offers high precision with a location accuracy of less than 10 meters.

Q:What voltage range does the tracker support?

The GT21N wired GPS tracker supports a wide voltage input range of 9V to 90V.

Q:Is OEM and ODM service available?

Yes, we offer OEM and ODM services including customization of logo, color, platform, and professional technical support.