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    The Cellocator CR300B is Cellocator’s...

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The Cellocator CR300B is Cellocator’s entry-level unit for fleet management and vehicle security applications, available in 2G/3G (EU, NA) variants.

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The Cellocator CR300B is Cellocator’s entry-level unit for fleet management and vehicle security applications, available in 2G / 3G (EU, NA) variants.
The CR300B is equipped with a rechargeable backup battery (1000mAh) and GSM jamming detection algorithms for improved compliance with vehicle security applications.
In addition, it is compatible with a variety of accessories which enable a wide range of applications such as fuel monitoring, temperature monitoring, identification and more.

Cellular Communication

  • Versions:
    • Quad band GPRS (2G worldwide) 
    • 3G NA: UMTS/HSPA/GSM/GPRS/EDGS: 5.76[UL]/7.2[DL] Mbps, 850/1900 MHz
    • 3G EU: UMTS|HSPA: 5.7[UL]/7.2[DL] Mbps, 900/2100 MHz
  • SIM: Internal, full size, replaceable, remote PIN code management
  • Antenna: Internal


  • 3G: Chipset: SiRFstarV GNSS
    • Sensitivity: -166dBm
    • Acquisition (normal): Cold<35Sec, Hot<1Sec
  • 2G: Chipset: SiRFstarIV GPS
    • Sensitivity: -163dBm
    • Acquisition (normal): Cold<35Sec, Hot<1Sec


  • 1 internally pulled down input dedicated for ignition switch
  • 2 internally pulled up inputs with assignable functionality and configurable polarity
  • 2 general purpose open drain outputs (250mA max) with assignable functionality
    Can be utilized also as inputs (configurable)


  • COM port (RS232)
    • Selectable baud rate (9600 or 115000bps) TTL levels (external 3.3V TTL-USB adaptor) 8 bit; 1 Stop Bit; No Parity for configuration update or firmware upgrade
  • 1-Wire™ (Dallas port) DS1990A, DS1971 compliant for driver management, Extended bus current source with 7mA driving capability, DS18B20 compliant for temperature sensors


  • 10pin Molex, Automotive


  • Input Voltage: 9-32V DC
  • Internal battery
    • Li-Ion Polymer, 3.7V, 1000mAh, rechargeable
      Embedded NTC for temperature controlled charging
      Operating Temperature: -20°C (65% charge) to +60°C
      Charging Temperature: 0°C to +45°C
      Battery Monitoring: Temperature (NTC) & Voltage
      Autonomy: 142 messages from a fully charged battery in a TX Rate of 1/5 Minutes @ room temperature
      Protections: over current, overcharge and over discharge
  • Current Consumption
    • 3G: 
      • Normal: 46mA
      • Economic: 25mA
      • Hibernation: 2.4mA
    • 2G: 
      • Normal: 29mA
      • Economic: 14mA
      • Hibernation: 2mA

Vehicle Environment Immunity

  • Compliant with ISO 7637 test level #4 (in accordance with e-mark directive)


  • Operating temperature: -30°C to +70°C full performance
  • Storage Temperature: -40°C to +85°C
  • Humidity: 95% non-condensing
  • Ingress Protection: IP40 (IP 66 with protector)
  • Vibration, Impact: ISO 16750
  • Mounting: Tie-wraps and/or two sided adhesive


  • FCC: Part 15 Subpart B, part 22/24 compliant
  • CE: CE number – CE 1177,0889 CE EMC & R&TTE according to 89/336/EEC or 1999/5/EC CE Safety EN60950-1:2006+A11:2009 Automotive Directive 2004/104/EC (E-Mark)
  • IC: Industrial Canada
  • EN12830 compliance with 1-wire temperature sensor: Suitability: T Climatic environment: w/o CR Protector – B with CR Protector – D Accuracy class: (-10)°C to (+85)°C - 1 <(-10)°C, > (+85)°C - 2 Range: -55°C to +125°C  

Dimensions & Weight

  • Dimensions: 91x69x23mm
  • Weight: ~100g

Add-on Accessories

  • 1-wire Temperature Sensor: Connects to the 1-wire port of the CR-300B. Operating temperature range: -55°C to +125°C with ±0.5°C accuracy from -10°C to +85°C
  • Concrete Mixer Sensor: Full monitoring solution of the concrete supply cycle and its various supply cycle stages
  • Fuel Probe Sensor: Measures the fuel volume in fuel containers and vehicles’ tanks
  • Fuel Level Sensor: Measures the fuel level in the vehicle tank
  • CR Protector: Silicone/ rubber cover to improve the protection of the device (upgrades the IP rating from IP40 to IP65)