Is oil cut-off function available?

Yes, the cut-off/resume oil function is optional, but a relay is required.

Where is the company located?

We are based in Guangdong, China, specifically in Shenzhen.

Factory Price Hot Sell 4G GPS Tracker USB Interface 300mAh Anti-Jammer Function J16

Name: Factory Price Hot Sell 4G GPS Tracker USB Interface 300mAh Anti-Jammer Function J16
Brand: Shenzhen Qianfeng Communication Equipment Co., Limited
SKU: 1940190051

Guangdong, ChinaShenzhen Qianfeng Communication Equipment Co., Limited

US$12.89

2-499 Pieces

US$12.25

500-999 Pieces

US$10.85

1,000+ Pieces

Sample price:US$12.89/piece.Request sample

Product profile

Screen Size

No Screen

Use

Automotive

Certification

RoHS, CE

Model NO.

QS111

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 precise location tracking.

4G+2G Network Support: Compatible with LTE-FDD and GSM bands for reliable global connectivity.

Portable Design: Compact dimensions 80*34*17mm, weighing 48.5g, suitable for windshield or dashboard.

Comprehensive Alerts: Features ACC detection, vibration, disconnection, overspeed, and low battery alerts.

Flexible Track View: Monitor location via PC, iOS APP, Android APP, or SMS coordinates.

Wide Voltage Input: Works with 9-90V DC, suitable for various automotive electrical systems.

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

1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

Company profile

Shenzhen Qianfeng Communication Equipment Co., Limited

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤6.55h

AI-Powered supplier vetting

SummaryThe supplier is presented as a smart-product and GPS/antenna manufacturer with stated experience in R&D, production, sales, PCBA solutions, and customized products. It reports three R&D engineers, recent new-product development, ODM and broad customization services, and documented design inputs, outputs, reviews, verification, and validation. CE certification is stated, while associated factories reportedly hold ISO 9001 and products reportedly pass CE, FCC, IC, and RoHS. After-sales technical support and complaint-handling procedures have records. Production scale is indicated for ceramic antennas, but the quality-control equipment quantity is stated as zero, creating a significant disclosed limitation. Financial credibility cannot be assessed because the provided financial entries only identify years and no financial figures are available. Customer evidence includes OEM service for known brands and a 50%–80% repeat-buyer preference, but no Fortune 500 cooperation.

Supplier typeThe supplier is described as a professional smart-products company involved in R&D, production, and sales, with products and solutions covering GPS trackers, antennas, PCBA, vehicle electronics, security, telematics, IoT, and related applications. This supports classification as a technology product manufacturer and solution provider rather than a trading-only supplier.

CertificationsCE certification is explicitly stated for product compliance and sustainable-development/product certification. The company description additionally reports that associated factories pass ISO 9001 and products pass CE, FCC, IC, and RoHS; however, the provided material does not identify certificate numbers, validity periods, or direct ownership for every certification.

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

R&D capabilityThe supplier reports three R&D engineers, new products during the past year, R&D responsibilities covering technology support and new-product development, and available design input/output, review, verification, and validation documentation. Its stated history of R&D and customized PCBA, smart products, and antenna solutions supports an active innovation capability, although no SDK is available.

Production capacityThe company describes production activities and reports ceramic-antenna capacity of 2,000K per month, while its associated factories are said to have ISO 9001. However, the quantity and size of quality-control test equipment is explicitly recorded as zero, indicating a disclosed weakness in quality-control infrastructure despite the stated production capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and supports customized products and services for client research and production. It also provides ODM service, demonstrating broad stated customization coverage.

Client casesThe supplier states that it provides OEM services for known brands and reports a 50%–80% repeat-buyer preference. The company description also references products used across navigation, vehicle electronics, security, aviation and military, telematics, IoT, smart home, and wearable-device applications; however, it reports no cooperation with Fortune 500 companies and provides no named customer cases.

Product Q&A

Q:What is the battery capacity?

The device features an internal battery with a capacity of 150mAh or 300mAh at 3.7V.

Q:How accurate is the positioning?

The location accuracy is less than 5 meters with an average cold start time under 32 seconds.

Q:Can I track the device remotely?

Yes, you can view the track via PC, iOS APP, Android APP, or SMS coordinates.

Q:What certifications does the product have?

The product is certified with RoHS and CE standards.

Q:What is the warranty period?

We provide a 1-year warranty for this GPS tracker.

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