Key Features
Remote Oil/Power Cutoff
Relay control for remote vehicle lock to prevent theft and unauthorized use.
External SOS & Microphone
Supports external SOS button and microphone for emergency alerts and voice monitoring.
4G Stable Communication
Industrial-grade 4G module ensures uninterrupted remote data transmission.
Multi-alarm Protection
Vibration, overspeed, power loss and electronic fence alarm with SMS/call alerts.
Dual-mode Positioning
High-precision GPS/BDS tracking with <10m accuracy and AGPS fast positioning.
Acc ignition detection
Accurately monitors vehicle ignition status for smarter activity tracking.
Application Scenarios
Product Overview
KS-199Pro 4G Vehicle GPS Tracker is an upgraded industrial-grade positioning terminal equipped with external SOS and microphone interfaces, featuring GPS/BDS dual-mode high-precision positioning and stable 4G communication. It integrates multi-dimensional alarm, remote oil/power cutoff and ACC ignition detection functions, with an intelligent low-power design and compact and durable structure. Adapting to various harsh vehicle working environments, it realizes emergency alert, voice monitoring and real-time positioning, providing all-round safety protection for fleets, private cars and commercial vehicles.
Basic Specifications
| Functions | Description | |
| Power supply | Vehicle power supply | |
| Work Voltage | DC 9V – 95V | |
| Work Current | 12V/ average 35mA | |
| Sleep Current | 12V/ average 10mA | |
| Internal Battery | 140mAh (3.7V Polymer battery) | |
| Work Temp | -20℃ – 75℃ | |
| Storage Temp | -30℃ – 80℃ | |
| Work Humidity | 10%-85% RH non-condensing | |
| Module Brand/Chip Model | A7670SA | |
| Frequency Bands | LTE/4G | LTE-FDD:
B1/B2/B3/B4/B5/B7/B8/B28/B66 |
| GSM/2G | 850/900/1800/1900MHz | |
| SIM card | Nano SIM | |
| Antenna | Built-in antenna | |
| Antenna spec | PIFA antenna | |
| Module Brand/Chip Model | ZKMicro AT6558D | |
| Location mode | BDS+GPS | |
| Cold Start | Average 32S | |
| Hot Start | Average 1S | |
| Sensitivity (tracking) | -162 dBm | |
| positioning antenna | Built-in ceramic dielectric antenna | |
| Antenna spec | 25mm * 25mm * 4mm | |
| GPS frequency bands | L1: 1575.42±1.023MHz | |
| BDS frequency bands | B1: 1561.098±2.046MHz | |
| Satellite channel | 32 | |
| Location accuracy | <10m(1σ) | |
| Timing accuracy | <30ns(1σ) | |
| Speed measurement accuracy | <0.1m/s(1σ) | |
| Max Speed | 515m/s | |
| Max height | 18000m | |
| ACC detection input | ACC detection line | |
| Oil and electricity cut off | Low output (relay control line) | |
| SOS | SOS emergency alarm | |
| microphone | support | |
| Device Dimension | 79mm * 33mm * 16mm | |
| Housing Material | ABS plastic | |
| Host weight | 46g | |




