Kinghelm Vehicle Positioning Terminal KH-A3B 4G Product Manual(Part Ⅰ)

Release date：2024-03-12Author source：KinghelmViews：150

1. Product Overview

The Kinghelm Vehicle Positioning Terminal is designed to meet market demands, drawing on the company's years of product design experience and addressing the stringent reliability requirements of the automotive industry for in-vehicle electronics. Through the application of reliability and integration design methods, the device ensures the quality of circuit design. It employs high-performance, industrial-grade components to introduce a split-type vehicle-mounted terminal product. It can be widely applied in industries such as finance, public security, fire protection, construction, postal services, shipping, freight transportation, emergency rescue, customs enforcement, public transportation, long-distance passenger transportation, taxi services, and car rental.

Key Functions of the positioning terminal include:

- Location tracking + GSM network

- Position information querying

- SMS query and setting functions

- Scheduled tracking

- Distance-based tracking

- Blind spot and turning point supplement reporting

- Mileage reporting

- Vehicle naming

- Domain name resolution

- Primary and backup server switching

- SOS emergency alarm

- Over-speed alarm

- Fatigue driving reminder

- Over-time parking alarm

- Zone reminders

- Route deviation reminders

- Fuel and power cut-off

- Call monitoring

- Multimedia functions

- Terminal parameter reading and setting functions

- Information functions

- Recorder data acquisition function

- Driving recorder function

- Phone book setup

- Remote upgrade

- Photo and audio recording

2. Safety Notices

Please read the brief instructions; otherwise, it may pose dangers and legal violations. For more details, please refer to the full manual.

⊕ Correct Connection: Follow the installation instructions when connecting the device, and do not connect it to other incompatible devices.

⊕ Qualified Accessories: Use original accessories, qualified batteries, and other peripheral components.

⊕ Safe Driving: Drivers should not operate the device while driving.

⊕ Legal Installation: Only professionals are allowed to install and maintain this device.

3. Product Specifications

Item	Specification
4G Module	FDD LTE: B1/B3/B5/B8
	TDD LTE: B34/B38/B39/B40/B41
Positioning Parameters	Sensitivity: -159dBm
	Frequency: L1 L2 L1C/A L2C B1I BIC B2I
	C/A coding: 1.023 MHz chip rate
	20-channel tracking view
	Positioning Accuracy: Single point positioning 2.0m
	RTK 0.02m+1ppm
Cold Start	Average 35s
Hot Start	Less than 1s
Speed Range	0–255 km/h
Speed Sensitivity	Less than 0.1 meters/second
GPS Speed Mode	Maximum error of 0.5 km/h
Vehicle Pulse Speed Mode	Time Sensitivity
Global Synchronous GPS Time
Recording Capacity	360 hours of driving data (collected 5 times per second, stored once per minute)
Data Retention	After main power failure, data retention time not less than 10 years
Acceleration Limit	Less than 4g
Operating Temperature	-30°C to +70°C
Storage Temperature	-40°C to +85°C
Humidity	5% to 95% non-condensing
Operating Voltage	9V to 36V
Main Unit Power Consumption	2W to 3W
Main Unit Operating Current	0.24A (12V)