S-2651
SIGNAL
All-in-one tracking and control solution for transport, fleets, and industrial automation.
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.
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
Detailed hardware and software capabilities
Interfaces
Universal Inputs6 (with overvoltage protection up to 200 V)
Input ModesDigital, Impulse, Frequency, Analog, or Tachometer (RPM)
Digital Outputs4 (up to 48 V / 500 mA, open collector type)
USB InterfaceMini-USB (configuration, data, diagnostics)
1-Wire InterfaceSupported
RS-232 InterfaceSupported
RS-485 InterfaceSupported
CAN Interface1
Supported AntennasExternal GNSS / Cellular
3-Axis AccelerometerSupported
Bluetooth
Version4.0 + LE (up to 4 BLE sensors supported)
Supported PeripheralsFuel Level, Temperature & Humidity, Axle Load, Tilt Angle
All Sensor ParametersBattery Voltage, Signal Strength, Pressure, Illumination, etc.
Power
Input Voltage Range9.5 – 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 Protectionup to 200 V
Backup BatteryLi-Po, 3.7 V, 800 mAh
EEPROM Data Retention (power-off)5 days
GNSS
Supported SystemsGPS / GLONASS / BeiDou
Channels99 acquisition, 33 tracking
Sensitivity–167 dBm (tracking), –149 dBm (cold start)
Time to First FixHot start < 1 s, Warm start < 22 s, Cold start < 29 s
Accuracy (CEP, static, –130 dBm)2.5 m (horizontal), 5 m (vertical)
Update Rate1 Hz
Cellular
NetworkGSM / GPRS
Max Data Rate85.6 kbps
2G BandsClass 4 (2 W) in GSM 850 and EGSM 900, Class 1 (1 W) in DCS 1800 and PCS 1900
Data SupportSMS (Text / Data)
SIM Slots2
SIM TypeSlot 1: External, mini-SIM; Slot 2: Internal, nano-SIM
Memory & Storage
Data Storageup to 51,500 records
External MemorymicroSD card support (up to 32 GB)
Telemetry Records on microSDnot 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
Humidityup to 95% (at +35 °C, non-condensing)
Physical Specification
Ingress ProtectionIP54
Shock Resistanceup to 24 g
Dimensions105 × 78 × 20.5 mm (L × W × H)
Weight98 g
Indicators (LEDs)SYS, GSM, GNSS
For questions about S-2651, visit our FAQ page.