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Open Vehicle Monitor (OVMS) WiFi/3G (Europe)

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£158.98 (inc VAT) £132.48 (exc VAT)
200.00 Grams
Calculated at checkout


Open Vehicle Monitoring hardware with 3G / WiFi connectivity. 

This unit includes GSM modem and SIM card with European frequency bands. For USA see OVMS webstore


  • Real time EV telematics
  • OBD2 connection
  • WiFi / 3G IoT EU SIM (included) 
  • Android / iOS app
  • Fast and responsive
  • Remote Climate Control
  • Charging status notifications
  • Developer friendly API
  • Open-source ♥

Get it on Google Play


  • State of charge
  • Range
  • Charging speed
  • GPS location
  • Odometer
  • Battery temperature
  • State of health
  • TPMS
  • 12V aux battery
  • Plus more...  

Service Cost

  • OVMS server logging: FREE 
  • GPRS 3G data: 1Mb/2Mb per month for normal usage, approx $0.80/£0.70 per month. See Hologram.io pricing  


  • Connectivity: WiFi / GSM (2G/3G) / USB / GPS
  • Modem: SIM5360E : GSM/GPRS/EDGE 850/900/1800/1900MHz; UMTS/HSPA+ 900/2100MHz (Europe)
  • Firmware update via OTA (WiFi / GSM), by Micro SD card, or over USB interface.
  • Includes 2G (GSM/GPRS) and 2.5G (EDGE) quad band
  • Processor: ESP32 WROVER (16MB flash, 4MB SPI RAM, 520KB SARM)
  • Processor core: Dual-core
  • Processor frequency: 160MHz/240MHz
  • Micro SD card logging
  • ODB2 output 
  • CAN bus no. : 3


  • CE, RoHS 



  • OVMS Hardware 
  • Hologram IO global SIM card 
  • OBDII Cable (select appropriate)
  • GSM Antenna (optional, required for GSM)
  • GPS Antenna (optional, required for GPS on all vehicles apart from Tesla Roadster)

Choosing correct OB2 cable

The correct OBD2 cable should be chosen to match the car, some cars e.g LEAF, Tesla & Kia Soul have specific cables.

All other cars use the generic cables which are available with the cable either coming out of the left-hand or right-hand side of the connector. The orientation of the connector can vary between RHD / LHD models and even different variants of the same model therefore it's advised to check in your car. Here are a list of cars and cable which have been known to work. 

  • UK RHD Kia e-Niro - Generic Left
  • UK RHD Hyundai Kona - Generic Left
  • Renault Twizy - Generic Left or Right 

Note: an OBD2 extender or splitter can also be used if required, however ensure whatever extender/splitter is used has all the pins connected. 




OVMS Forum

OpenEnergyMonitor Forums

OpenEnergyMonitor Support Email: support@openenergymonitor.zendesk.com

OVMS Support Ticket (login required)



DEPTH 30 mm
HEIGHT 80 mm
WIDTH 110 mm

Product Videos

OVMS v3 Unboxing (old firmware before v3.1.006) (08:35)
An unboxing and initial setup of the OVMS v3 module. Please note that this is demonstrating older firmware. Refer to the latest user guide for new default password scheme and setup arrangements.
  • OVMS v3 Unboxi...
    An unboxing and initial setup of the OVMS v3 module. Please no...
  • OVMS V3 Unboxi...
    Aquí podéis la pagina del OVMS 3; https://www.openvehicles.co...

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