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Home /Motorhome Security / Sigma S37 Motorhome Alarm System


The Sigma S37 Dedicated Motorhome System is a Thatcham CAT2-1 alarm upgrade system that significantly improves the security and protection of your High-Value Motorhome.

All prices are inclusive of VAT and Warranty for Supply & Installation here in Poole, Dorset Only

As standard the system comes with front interior ultrasonic sensors, battery backup siren, door open detection via the vehicles CAN Bus (Data) system and bonnet detection. When the alarm triggers it will sound the External Siren and Flash the indicators.

The Sigma S37 alarm system will work with your existing Factory Remote Key fob. For vehicles supplied with only one factory remote key fob, an additional 4-button remote control is supplied.  This supports locking / unlocking of your vehicle as well as arming / disarming of the alarm.  An in-dash override receptacle with LED is also supplied to allow de-activation of the internal sensors whilst the habitation area is occupied.

One of the great features is that this system is fully expandable with a whole host of Optional Extras to further secure your Motorhome:

  • Wireless PIR Sensor (Additional £99)

  • Wireless Internal Microwave Sensor (Additional £79)

  • Wireless Magnetic Door Contact Sensors (For Habitation, Gas Hatch, Rear Load & Garage Doors) (Additional £49 Per Sensor)

The system can also be further upgraded for “ultimate protection” with the Thatcham Approved Scorpion Track S7-ALS or S5-VTS+ Tracking Systems. Once either of these systems have been installed in with the Sigma S37 alarm you will not only always know where your vehicle is but in the event of theft, you have the opportunity of it being recovered quicker.  In addition to this, by integrating the S37 alarm into the Scorpion Track tracker, you can receive alerts via the Scorpion Track App should the alarm be activated whilst you are away from the vehicle.


Both the ScorpionTrack S7-ALS and S5-VTS+ trackers have 24/7 365 Day Monitoring of your vehicle and on-demand location. The S5-VTS+ model will offer extra features to further enhance the security of your vehicle to prevent “Keyless Entry Theft” and Engine Immobilisation via the ADR Driver Tags.

Main Features

  • Factory Key Fob Remote Arm / Disarm

  • Additional Four Button Remote

  • Touch Key Override

  • Built-in Ultrasonic Sensors

  • LED Status Indication

  • Waterproof Battery Back-Up Siren

  • Fully Upgradable with Additional Sensors

  • Output for Scorpion Tracker System


Vehicle Compatibility

  • Citroen Relay – (2006 – 2011)

  • Citroen Relay – (2012 On)

  • Fiat Ducato – (2006 – 2011)

  • Fiat Ducato – (2012 on )

  • Ford Transit MK8 – (2014 – On)

  • Mercedes Sprinter – (2006 – 2013) W906

  • Mercedes Sprinter – (2014 – 2018) W906 Facelift

  • Peugeot Boxer – (2006 – 2011)

  • Peugeot Boxer – (2012 – On)

  • Renault Master – (2010 – On)


Please Note:

  • This system is Supplied and Fitted at our workshop here in Poole, Dorset Only

  • Pricing of the Additional Sensors is “Per Sensor”. It’s recommended that if you need more than one sensor of each type then you get in touch directly so we can quote specifically for your requirement.

  • Whilst the alarm system itself does not require a Yearly Subscription, if you do decide to include a Tracker as part of the package then subscriptions will be required for this. More info on this on the listings below.

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