JM-VL04
JM-VL04 INS-aided LTE OBD Tracker

OBD Vehicle Tracker

The JM-VL04 is a professional 4G OBD vehicle tracker you can easily install. With its advanced accelerometer, gyroscope, and special algorithm, JM-VL04 can detect improper driving behaviors, precisely calculate mileages, and prevent the dark spots occur in the area with poor GNSS signal. By leveraging four different 4G communication modules, it covers almost all global LTE frequency bands. A revolutionary update is the voice alarm, which can remind drivers to behave correctly when their bad driving activities have been detected. And now, not only is the embedded microphone for remote listen-in, but also sound recording.
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INS-aided GPS tracking
INS-aided GPS tracking Ensures constant tracking in the area with poor GPS signal or even without it.
4G LTE Communication
4G LTE Communication The device can receive and transmit data in the coverage of 4G, 3G and 2G network.
Driving Behavior Analysis (Advanced)
Driving Behavior Analysis (Advanced) Acceleration, braking, cornering, sudden lane change, collision, skidding, rollover, roll & pitch.
Mileage Accuracy ≥98%
Mileage Accuracy ≥98% Precise mileage calculation based on a unique algorithm, the mileage error can be less than 2%.
Voice Alarm
Voice Alarm In risky circumstances, internal speaker will sound human voice to remind drivers to drive carefully.
Remote Listen-in
Remote Listen-in An inconspicuous Mic allows you to remotely listen in the sounds around the device.
9-36V Rated Voltage
9-36V Rated Voltage Compatible with a wide range of input voltage, able to work on diverse vehicles.
BLE4.0 Supported
BLE4.0 Supported Through bluetooth connection you can configure parameters, upgrade software, and debug.
GNSS
Positioning system GPS/Glonass/BDS/QZSS, AGPS/LBS assisted
Frequency L1
Positioning accuracy <2.5m CEP
Track sensitivity -165 dBm
Acquisition sensitivity -148 dBm (cold) /-163 dBM (hot)
TTFF (open sky) Avg. hot start ≤1sec
Avg. cold start ≤32sec
Cellular
Communication network LTE Cat1 + WCDMA + GSM
Frequency JM-VL04E:
LTE-FDD: B1/B3/B5/B7/B8/B20/B28
LTE-TDD :B38/B40/B41
GSM: B2/B3/B5/B8
JM-VL04L:
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28/B66
WCDMA: B1/B2/B5/B8
GSM/EDGE: B2/B3/B5/B8
Power
Battery 50mAh industrial-grade LiCo battery
Input voltage 9-36VDC
Interface
LED indication GNSS (Blue), Cellular (Green), Power (Red)
Connector OBD II port
SIM Nano-SIM
USB 1 x Micro-USB for configuration
Data storage 8MB flash memory
Physical specification
Dimensions 65.0 x 50.0 x 25.0mm
Weight 60g
Operating environment
Operating temperature -20°C to 70°C
Operating humidity 5%~95%, non-condensing
IP rating IP41
Feature
Voice monitoring range ≤5 meters 
Sensors Accelerometer and gyroscope
Ignition detection External Power Voltage
Scenarios Vehicle movement alert, Over-speed alert, Geo-fence, Voice-monitoring, Vehicle battery detection, Power supply disconnection
Driving behavior analysis Harsh acceleration, Harsh braking, Harsh cornering, Sudden lane change, Collision, Skidding, Rollover, Roll & pitch
User Manual PDF
User Manual vertical PDF
Leaflet PDF
VIDEO
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