What protocols are supported for data transmission?

It supports GT06, JT808, and Tianqin transmission protocols.

How do you ensure product quality?

We conduct a pre-production sample check before mass production and a final inspection before shipment.

Overspeed Alert Supports 4G Network Track View for Car OBD Tracker

Name: Overspeed Alert Supports 4G Network Track View for Car OBD Tracker
Brand: Shenzhen Qianfeng Communication Equipment Co., Limited
SKU: 1955518821

Guangdong, ChinaShenzhen Qianfeng Communication Equipment Co., Limited

US$18.95

2-499 Pieces

US$17.31

500-999 Pieces

US$16.39

1,000+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Screen Size

No Screen

Use

Automotive

Certification

RoHS, CE

Model NO.

QH302R

Warranty

1 Year

Placement

Portable, OBD, Dashboard

Model Number

Qh302r

Internal Battery Capacity

180mAh 3.7V

Working Voltage

12V DC

Transport Package

Carton

Trademark

Qianfeng

Origin

Shenzhen Guangdong

HS Code

85269110

Production Capacity

50000pieces/Month

Key features

4G Network Support: Supports 4G/2G networks with LTE-FDD and GSM bands for reliable tracking.

Multi-Mode Positioning: Combines GPS, Beidou, and LBS for location accuracy under 5 meters.

Comprehensive Alerts: Features vibration, disconnection, overspeed, low battery, and GEO fence alerts.

Long Battery Backup: Internal 100mAh battery ensures tracking continues during power loss.

Compact Design: Small size 49*38.6*33.4mm and lightweight 42g for easy installation.

Wide Voltage Range: Works with 12-24V DC systems, suitable for most automotive applications.

Quality Assurance: Pre-production samples and final inspections guarantee product quality.

CE & RoHS Certified: Meets CE and RoHS standards for safety and environmental compliance.

Company profile

Shenzhen Qianfeng Communication Equipment Co., Limited

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤5.44h

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 network bands does the tracker support?

It supports 4G/2G networks, including LTE-FDD (B1/B2/B3/B4/B5/B7/B8/B28/B66) and GSM (B2/B3/B5/B8).

Q:How accurate is the location tracking?

The location accuracy is less than 5 meters using GPS, Beidou, and LBS multi-mode positioning.

Q:What happens if the vehicle power is cut?

The device has an internal 100mAh battery that allows it to continue tracking and sending alerts.

Q:What types of alerts are available?

It supports vibration, device disconnection, overspeed, low battery, and GEO fence alerts.

Q:What is the warranty period?

The product comes with a 1-year warranty.

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