SIGNAL S-4753
All-in-one tracking and control solution for transport, fleets, and industrial automation.
4G
LTE
Common Use Cases
Device Features
RS-485 & RS-232 Ready
Wired. Reliable. Universal.
Supports MODBUS. Connect fuel, temperature, and more.
BLE Available
Wireless. Effortless.
Seamlessly connect any BLE sensors to your tracker.
1-Wire Sensors & Driver ID
Simple. Accurate. Connected.
Integrate temperature sensors, iButton driver ID keys, and more via 1-Wire interface.
Dual CAN Connected
Vehicle data. No delay.
Fuel, RPM, mileage — straight from the bus.
Custom Algorithm
Smart triggers. Smarter fleets.
Create your own logic inside the device.
Two-Way Communication
Stay connected. Act faster.
Exchange instructions with drivers instantly.
Technical Specifications
Interfaces
Universal Inputs: 6 (with overvoltage protection up to 200 V)
Each input can operate in Digital, Impulse, Frequency, Analog, or Tachometer mode (for RPM calculation).
Digital Outputs: 4 (up to 48 V / 500 mA, open collector type)
USB Interface: Mini-USB (configuration, data, diagnostics)
1-Wire Interface: supported
RS-485 Interface: supported
CAN Interface: Dual CAN
Supported Antennas: Internal GNSS / Cellular
3-Axis Accelerometer: supported
Bluetooth
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.
Power
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, 800 mAh
EEPROM Data Retention (power-off): 5 days
GNSS
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
Cellular
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: 2
SIM Type:
– Slot 1: External, mini-SIM
– Slot 2: Internal, nano-SIM
Memory & Storage
Internal Memory: 8 MB Flash
Data Storage: up to 51 500 records
External Memory: microSD card support (up to 32 GB)
Telemetry Records on microSD: not less than 2 000 000 per 1 GB
Environmental
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)
Physical Specification
Ingress Protection: IP54
Shock Resistance: up to 24 g
Dimensions: 105 × 78 × 20.5 mm (L × W × H)
Weight: 98 g
Indicators (LEDs): SYS, GSM, GNSS
Product Center
FAQ
Where can I download the Configurator?
You can download the latest version of NTC Configurator here:
Get the latest version
Note: Available for Windows OS only.
How can I manage devices remotely?
SMS Commands
Send direct commands to the device (e.g. APN, server, status, reboot).
Full command listRemote connection via NTC Configurator
Connect to an online device via Internet, read/write config, update firmware.
How it worksDRC Cloud Service
Cloud-based platform for remote updates, config sync, diagnostics, and device health monitoring.
Learn more
Where can I find SMS/GPRS commands?
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
Which device should I choose — 2G or 4G?
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
How long is the warranty on Navtelecom devices?
All Navtelecom devices are covered by a 3-year warranty.
The backup battery and the RTC battery (clock battery) are covered for 1 year.