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Concox - JM-VL03

JM-VL03

The JM-VL03 from JM is a compact, discreet 4G LTE Cat 1 GPS tracker designed for fleet managers, insurers and vehicle asset protection teams who need reliable, Net Domain Technologies compatible hardware. With LTE communication and GSM fallback, wide input voltage support and a small backup battery, the VL-03 delivers continuous real-time tracking and event-driven telemetry suitable for cars, motorcycles, scooters, industrial vehicles and light equipment.

The VL-03 pairs with Net Domain Technologies to provide actionable fleet management and anti-theft capabilities: ignition (ACC) detection, remote immobilizer control via a relay, geo-fence alerts, driving behavior analysis and a suite of instant notifications for device removal, vibration, over-speed and power events. Its rugged IP65 enclosure and GNSS performance make it a practical choice for deployments requiring compact form factor and dependable positioning.

Key Highlights

  • Net Domain Technologies compatible 4G LTE Cat 1 tracker with GSM fallback for consistent connectivity and real-time tracking across networks.
  • Wide 9–90 VDC input range supports virtually all vehicle types—cars, motorcycles, scooters, golf carts and industrial equipment.
  • Driver Behavior Analysis detects harsh acceleration, harsh braking, harsh cornering and collisions to improve safety and insurance telematics.
  • Remote immobilization (relay) and ignition (ACC) detection enable anti-theft and controlled vehicle shutdown workflows through Net Domain Technologies.
  • Accurate GNSS positioning (GPS + BDS + LBS) with < 2.5 m CEP and fast TTFF for reliable location updates in open sky conditions.
  • Compact, IP65-rated enclosure and wide operating temperature range for outdoor and harsh-environment installations.
  • Event-triggered alerts—geo-fence, over-speed, abnormal vibration, low battery and power-off—feed Net Domain Technologies for immediate notifications and reporting.

How It Works with Net Domain Technologies

When integrated with Net Domain Technologies, the JM-VL03 streams location and telematics data over LTE (with GSM fallback) so fleet dashboards, maps and rules engines receive near real-time updates. Net Domain Technologies ingests the VL-03’s event triggers and sensor telemetry to power alerts, reports and automated actions such as immobilization or dispatching. Installation is straightforward: connect power and ACC inputs, insert the Micro-SIM, mount the compact IP65 unit and configure device settings in Net Domain Technologies.

  • Real-time location and telemetry updates for fleet management and live tracking on Net Domain Technologies maps.
  • Ignition (ACC) status and digital input reporting for ignition-aware workflows and utilization tracking.
  • Relay-based remote immobilizer (remote cut-off) support for anti-theft actions initiated from Net Domain Technologies.
  • Driver behavior events (harsh acceleration/braking/cornering, collision) reported as telemetry events for safety analytics.
  • Geo-fence entry/exit, over-speed, vibration and power alerts for instant notifications and rule-based automation in Net Domain Technologies.
  • Telemetry usable by Net Domain Technologies for integration with fuel monitoring or third-party sensors when such systems are combined at the platform level.

Technical Overview

ConnectivityLTE Cat 1 with GSM (2G) fallback; model-dependent cellular frequency bands (JM-VL03E, JM-VL03ME, JM-VL03MX variants)
BandsModel-dependent LTE-FDD/TDD and GSM bands (variants cover global band sets)
Power & BatteryInput voltage 9–90 VDC; internal backup battery 60 mAh / 3.7 V Li-Polymer
InterfacesMicro-SIM slot; LED indicators (GNSS blue, Cellular green, Power red); digital input (ACC); digital output (Relay for immobilizer)
GNSSGPS + BDS + LBS positioning; positioning accuracy < 2.5 m CEP; tracking sensitivity -165 dBm; acquisition sensitivity -148 dBm; TTFF hot start ≤ 1 s (avg), cold start ≤ 32 s (avg)
BluetoothNo Bluetooth reported / not specified
Remote ManagementRemote configuration and telemetry via cellular; FOTA or web management not specified
Storage & IndicatorsData storage 64 + 128 Mb; LED status indicators for GNSS, cellular and power
Form FactorDimensions 94.3 × 50.4 × 15.0 mm; Weight 69.0 g; IP65; operating temperature -20°C to +70°C
Sensors & FeaturesBuilt-in accelerometer; driver behavior analysis; geo-fence; over-speed, vibration, low-battery and power-off alerts

Use Cases

  • Fleet management and real-time tracking for small to medium commercial vehicle fleets that need both position and driving behavior telemetry.
  • Vehicle insurance telematics programs leveraging harsh driving and collision event data for risk scoring and claims analysis.
  • Anti-theft and asset protection with remote immobilizer control, geo-fence alerts and device removal notifications.
  • Motorcycle, scooter and rental/leasing monitoring where compact size, wide voltage support and discreet installation are priorities.
  • Logistics and last-mile delivery tracking where robust LTE connectivity with GSM fallback ensures continuous reporting.

Why Choose This Tracker with Net Domain Technologies

The JM-VL03 is a Net Domain Technologies compatible tracker built for reliability, compact installation and practical telematics. Its wide voltage range and small form factor mean it can be installed across a diverse vehicle fleet, while LTE connectivity with GSM fallback ensures continuous data flow for real-time tracking and telemetry. Driver behavior analysis and event alerts feed Net Domain Technologies’s reporting and automation, enabling safety programs and anti-theft controls such as relay-based immobilization. For fleet operators and insurers seeking a durable, feature-rich GPS tracker that integrates with Net Domain Technologies for scalable fleet management, the VL-03 provides a balanced combination of accurate GNSS positioning, event-driven telematics and rugged, vehicle-ready design.

Set Up JM-VL03

Country
Carrier
APN
internet.comcel.com.co
User
COMCELWEB
Password
COMCELWEB

To set the tracker send the following commands by SMS messages

  1. Reset factory settings
    FACTORY#
  2. Set the time zone UTC-0
    GMT,E,0#
  3. Set the operator APN
    APN,{{apn}},{{apnu}},{{apnp}}#
  4. Set the GPRS server
    SERVER,1,d.plaspy.com,8888,0#
    or
    yLEWlcGflMp4JRGIZWgGp6n1wepo4w
  5. Set the update interval every 60 seconds
    TIMER,60#
    or
    mJ17PimimbiR
  6. Enable GPRS mode
    GPRSON,1#

To check parameter settings GPRSSET#