Change Currency: GBP

M357TV2-1 Replacement


Manufacturer: Meta

Stock Level: 5

Product Information

The M357TV2-1 is no longer available & has been replaced by the Defcom3.1b Thathcam 2-1 upgrade alarm. This kit comes with a loom adapter so is a simple plug & play swap over. Please note this kit does not replace the M357TV2 alarm, for it's replacement click here 

Thatcham 2 to 1 upgrade alarm & can be used as a stand alone alarm/immobiliser system  Meta DefCom3.1b Alarm System. Can be used as a stand alone motorcycle security system or can upgrade a motorcycle already fitted with a Cat 2 immobiliser to full Thatcham Cat 1 status. Def.com3's well-featured, cost effective compact design provides discreet installation and makes it ideal for all scooters and motorcycles


Please make sure you choose the correct alarm kit for the connector(s) fitted to the bike. This kit is for the M357TV2:1 which uses the same plug as those fitted to the M351a & M357

Kit includes one HPA alarm unit complete with two fobs & codecard, DefcomT to M357TV2-1 cable adapter, spare LED, fuse, cable ties & easy to follow fitting & user instructions.



  • Two anti-scan / antigrab, rolling code micro transmitters
  • Passive arming single circuit immobiliser
  • Passive arming for full alarm system (optional - not required for 2 to1)
  • Hazard flash
  • Battery Backed Up Siren 
  • Visual and audible arming signals (selectable)
  • Secure override facility activated by the owners individual PIN code in the event of loss or damage to transmitters
  • Diagnostic LED
  • Internal Movement sensor (can be excluded)
  • Loud 114db remote siren
  • Sleep mode with zero battery drain after 5 days
  • Low 1.8 mA current consumption
  • Low bike battery warning when disarming
  • Auto re-arm of immobilisation if ignition is not turned on within 50 seconds
  • System test facilities in first 25 seconds of arming informs of any faults
  • Panic facility
  • Movement sensor deletion facility
  • Two additional protection circuits
  • Facility to power auxiliary modules (additional siren and/or omni-directional lift and tilt sensor)
  • Alarm automatically re-arms if triggered
  • Upgrade to key remote (key not supplied)
  • Operating temperature -25C to 85C
  • Ultra Small - Maximum Dimensions 9.5cm X 6cm X 3.5cm (LxWxH - Plug not connected)
  • Complete with magnetic seat sensor 
  • Thatcham Approval Number TMCU-236/0106 (for use as an upgrade alarm) 
  • Optional equipment on KTM motorcycles
  • Also Approved by Yamaha UK
  • Optional Thatcham approved certificate (UK only, please leave a note in the checkout box on the checkout page if a certificate is required)
  • Three year no quibble warranty & 
  • Telephone & Email technical support

Replacement plug & play DefcomT alarm for the M357TV2-1




Upgrade one of the HPA fobs to the M252 key fob, choose below in the options box

Upgrade to M252 key type fob (metal key element not supplied)

Metal key element not supplied


Product Code: DefcomT - M357TV2-1


© Copyright Abacus Car Alarms 2021

eCommerce by CubeCart