Motorcycle Thatcham Cat 1 Gemini 7854 Alarm

Buying Information
£249.99 Save £50.00 Now £199.99
Free Delivery to UK only
In stock!
Usually dispatched within 24 hours. Order up to 2.30pm for next day delivery.

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  • UK Free Shipping
  • Next Day UK Delivery £5.99
  • EU only £11.99
  • Rest of the World £17.99
User Manual : Download
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Alarm system designed for those who require alarm for compulsory insurance or maximum security.


The GEMINI 7854 alarm/immobiliser has been designed for motorcyclist who want maximum security at minimum cost. A well featured , cost effective, compact design providing discreet installation, making it ideal for all scooters and motorcycles.


Insurance benefits- As a Thatcham Category 1 system, designed specifically for motorcycles above 125cc, the GEMINI 7854 gives insurance benefits (contact your insurer for more information).

Free technical support available, our own wiring diagrams to march your motorbike can be provided free charge at purchase if you required.  IF WE DO NOT HAVE IT WE WILL DESIGN IT FOR YOU FREE FOR ANY BIKE HOWEVER RARE (as long as you have copy of wire diagram) . Help is only call away should you encounter a problem while fitting the alarm. Our wire harness that easily adapts to any 12 volt DC motorcycle:
Aprila, Benelli, Beta, Bimota, BMW, Buell, Cagiva, Derbi, Ducati, Gilera, Guzzi, Harley Davisdon, Honda,Hyosung, Italjet, Kwasaki, KTM, Kymco, Malguti, MBK, Morton, MV, Peugeot, PGO, Piaggio, Suzuki, SYM, Triumph, Yamaha & many more.

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Two waterproof random coded remote controls incorporating arm and disarm, panic function and hazard warning facility.
High power battery back-up siren
1 electronic override key
Ignition key protection
Automatic setting dual circuit immobilisation
All black security wiring harness with anti-tamper fitting kit
Flashing L.E.D
Armed current draw less than 3ma
Auto adjusting tilt sensor
1 year  product warranty  (subject to manufacturers terms & consitions)
GEMINI retail gift box
Made in Italy


Product Reviews customer reviews give you the chance to give your opinion on the latest HAWK products. See what customers had to say about this product below. To view more reviews or write your own review, use either of the buttons below.

Review: Motorcycle Thatcham Cat 1 Gemini 7854 Alarm 10/31/2012

review by: MaxsoundCarAudio Uk


If you’re on the market for a good reliable motorcycle alarm system with small waterproof remotes , tilt sensor , battery backup siren and a easy to use override touch key ( yes a touch key which means no stupid pin No`s to remember and then forget lmao ) then the Gemini Cat 1 7854T Alarm System really does the job very well indeed !
• Extremely compact 97 x 68 x 36mm.
• Monocoque nylon housing.
• Waterproof.
• Vibration resistant.
• Unthread able wiring.
• Average current consumption<1mA.
• Dedicated or universal wiring.
• Two self-learning rolling code 2-channel transmitters.
• Emergency electronic override key.
• Transmitter battery charge indicator.
• High power piezoelectric siren.
• High power back-up battery (170 mAh).
• 2 x Engine immobilization 8A relay.
• Digital built-in tilt sensor.
• Output for additional siren or modules.
• Input for additional sensors.
• Ignition key protection.
• Panic function.
• Buzzer during arming/disarming.
• Blinker during arming/disarming and alarm .
• Status LED.
• Emergency override PIN code.
• Manual mode "low consumption” feature.

We have installed 100`s of these systems and to be honest all bike alarms should be designed this way as Gemini really have thought alot about designing this alarm and made a well-made bike alarm that simply works !Thank you….MaxsoundCarAudio Uk

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