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SMART S-4511

Basic GPS tracking for location and fuel monitoring.
Reliable solution for fleet operations and transport automation.

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4G
LTE

Common Use Cases

Device Features

5 Input Lines

Reliable. Clear control.
Connect ignition, doors, seat belts and other switches.

BLE Available

Wireless. Effortless.
Seamlessly connect any BLE sensors to your tracker.

Engine Hours Calculation

Smart logic. Clear insights.
Track engine runtime based on internal algorithms — no external sensors needed.

Eco Driving

Less fuel. Less risk.
Monitor driving style and reduce costs fleet-wide.

Custom Algorithm

Smart triggers. Smarter fleets.
Create your own logic inside the device.

Remote Control

Configure anytime. From anywhere.
Remote setup made easy.

Technical Specifications

Digital Inputs: 4 (with overvoltage protection up to 200 V)
Analog Inputs: 1 (configurable as Digital, range 0–31 V)
Digital Outputs: 2 (up to 48 V / 500 mA, open collector type)
USB Interface: Mini-USB (configuration, data, diagnostics)
Supported Antennas: Internal GNSS / Cellular
3-Axis Accelerometer: supported

Version: 4.0 + LE (up to 4 BLE sensors supported)
Supported Peripherals: Fuel Level, Temperature & Humidity, Axle Load, Tilt Angle
All Sensor Parameters: Battery Voltage, Signal Strength, Pressure, Illumination, etc.

Input Voltage Range: 9.5 – 47 V DC
Average Current Consumption (12 V): 75 mA
Current Consumption (12 V, GNSS & GSM off): 25 mA
Max. Current Consumption (12 V): 200 mA
Overvoltage Protection: up to 500 V
Backup Battery: Li-Po, 3.7 V, 380 mAh
EEPROM Data Retention (power-off): 5 days

Supported Systems: GPS / GLONASS / BeiDou / QZSS
Channels: 99 acquisition, 33 tracking
Sensitivity: –167 dBm (tracking), –149 dBm (cold start)
Time to First Fix: Hot start < 1 s, Warm start < 22 s, Cold start < 29 s
Accuracy (CEP, static, –130 dBm): 2.5 m (horizontal), 5 m (vertical)
Update Rate: 1 Hz

Network: GSM / GPRS / EDGE / LTE
Max Data Rate (2G): 85.6 kbps
2G Bands: Class 4 (2 W / 33 dBm ±2 dB) in GSM 850 / EGSM 900, Class 1 (1 W / 30 dBm ±2 dB) in DCS 1800 / PCS 1900
EDGE Power Class: E2 (27 dBm ±3 dB) @ EGSM 900, E1 (26 dBm +3 / –4 dB) @ DCS 1800
LTE Power Class: 3 (23 dBm ±2.7 dB)
Data Support: SMS (Text / Data)
SIM Slots: 1
SIM Type:
– Slot 1: External, mini-SIM

Internal Memory: 4 MB Flash
Data Storage: up to 25,000 records

Operating Temperature (with internal battery): –20 °C to +60 °C
Operating Temperature (without internal battery): –40 °C to +85 °C
Storage Temperature (with internal battery): 0 °C to +40 °C
Storage Temperature (without internal battery): –40 °C to +85 °C
Charging Temperature (internal battery): 0 °C to +50 °C
Humidity: up to 95% (at +35 °C, non-condensing)

Ingress Protection: IP54
Shock Resistance: up to 24 g
Dimensions: 102 × 57 × 22 mm (L × W × H)
Weight: 90 g
Indicators (LEDs): SYS, GSM, GNSS

Product Center

Brochures
Download product brochures with key features and benefits.
Download
Knowledge Base
Explore pages with full manuals, and guides.
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PC Configurator
Configure, update, and manage devices from your desktop.
Download
Android Configurator
Set up and control devices on the go with our mobile app.
Download

FAQ

You can download the latest version of NTC Configurator here:
Get the latest version

Note: Available for Windows OS only.

  • SMS Commands
    Send direct commands to the device (e.g. APN, server, status, reboot).
    Full command list

  • Remote connection via NTC Configurator
    Connect to an online device via Internet, read/write config, update firmware.
    How it works

  • DRC Cloud Service
    Cloud-based platform for remote updates, config sync, diagnostics, and device health monitoring.
    Learn more

You can find the full list of SMS/GPRS commands here:
Full command list

If you need a complex combined command, please contact Technical Support at support@navtelecom.in

  • 2G models are budget-friendly and work where 2G networks are stable.

  • 4G models support both 4G and 2G, offering longer lifecycle and future-proof connectivity.

Need advice? Contact support@navtelecom.in

All Navtelecom devices are covered by a 3-year warranty.
The backup battery and the RTC battery (clock battery) are covered for 1 year.