How accurate is the location tracking?

The location accuracy is less than 5 meters.

What is the average start-up time for the tracker?

The average cold start time is less than 32 seconds, and hot start is less than 5 seconds.

Anti-Jammer Engine Shut off Anti-Jammer GPS Tracker J16 4G QS111r

Name: Anti-Jammer Engine Shut off Anti-Jammer GPS Tracker J16 4G QS111r
Brand: Shenzhen Qianfeng Communication Equipment Co., Limited
SKU: 2145084995

Guangdong, ChinaShenzhen Qianfeng Communication Equipment Co., Limited

US$13.59

2-499 Pieces

US$12.25

500-999 Pieces

US$11.43

1,000-4,999 Pieces

US$10.85

5,000+ Pieces

Sample price:US$14.91/piece.Request sample

Product profile

Screen Size

No Screen

Use

Automotive

Certification

RoHS, CE

Model NO.

QS111R

Warranty

1 Year

Placement

Portable, Windshield, Dashboard

Track View

PC, Ios APP, SMS Coordinate, Android APP

Positioning Mode

GSM, GPS, GPRS, Lbs, Agps, Beidou

Data Storage

Cloud Storage

Transport Package

Carton

Trademark

Qianfeng

Origin

Shenzhen Guangdong

HS Code

85269110

Production Capacity

50000pieces/Month

Key features

Multi-Mode Positioning: Supports GPS, Beidou, LBS, GSM, GPRS, and Agps for high accuracy.

Anti-Jammer Technology: Designed with anti-jammer features to ensure stable signal and tracking.

4G+2G Network Support: Compatible with LTE-FDD and GSM bands for wide coverage.

Multiple Alert Functions: Includes ACC detection, vibration, disconnection, overspeed, and low battery alerts.

Portable Design: Compact size (79x32x18mm) suitable for windshield or dashboard placement.

Cloud Data Storage: Supports cloud storage for historical route tracking and data management.

Long Battery Life: Equipped with 150mAh internal battery for reliable operation.

Certified Quality: RoHS and CE certified, ensuring safety and compliance standards.

Company profile

Shenzhen Qianfeng Communication Equipment Co., Limited

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤5.71h

AI-Powered supplier vetting

SummaryThe supplier is a Shenzhen-based smart-product and GPS/antenna company with stated experience in R&D, production, sales, and customized PCBA solutions. It offers broad customization and ODM services, reports three R&D engineers, launched new products in the past year, and maintains R&D audit documentation. Its products or associated factories are stated to hold CE certification, with additional certifications mentioned for products in the company description. The supplier reports OEM service for well-known brands and repeat-buyer preference of 50%–80%, but no Fortune 500 cooperation. After-sales and complaint-handling procedures are documented, while quality assurance and traceability status are unknown and stated quality-control testing equipment is zero. Production capacity is described for ceramic antennas, although the evidence relates partly to associated factories. Financial information is present only as reporting-year labels and is not sufficient to assess credibility.

Supplier typeThe supplier is described as a professional company engaged in R&D, production, and sales of smart products, including GPS trackers, modules, and antennas. Its solutions serve vehicle electronics, security, aviation, telematics, IoT, and other applications, indicating a manufacturer and solution provider rather than only a trading intermediary.

CertificationsCE is explicitly listed for product compliance and sustainable-development/product certification. The company description also states that associated factories pass ISO 9001 and that products pass CE, FCC, IC, and RoHS; however, the evidence does not specify the scope or validity of each certification.

After-Sales capabilityTechnology engineers are responsible for providing technical support for after-sales service. The supplier also reports clear procedures and followed records for corrective and preventive actions and customer complaint handling, providing explicit evidence of an established after-sales process.

R&D capabilityThe supplier reports three R&D engineers, new-product development and launches during the past year, R&D audit documentation, ODM capability, and 15 years of R&D experience in smart products. It lacks an available SDK, but this does not negate the broader evidence of product-development capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. It also states that customized products and services support clients’ research and production requirements, demonstrating broad customization coverage.

Client casesThe supplier reports providing OEM services for well-known brands and states that 50%–80% of buyers are repeat customers. It reports no cooperation with Fortune 500 companies, and no specific customer names, project descriptions, or independently verifiable case details are provided.

Product Q&A

Q:What is the warranty period for this GPS tracker?

We provide a 1-year warranty for this product.

Q:What are the supported positioning modes?

The device supports GSM, GPS, GPRS, LBS, Agps, and Beidou multi-mode positioning.

Q:Can I track the device via mobile apps?

Yes, you can view the track via PC, iOS APP, SMS Coordinate, and Android APP.

Q:Does the tracker support oil cut-off functionality?

Yes, it supports cut off/resume oil function, but a relay is required.

Q:What certifications does this product have?

The product is certified with RoHS and CE standards.

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