Sigma Vehicle Alarms

Sigma

Established in 1992, Sigma has a long history of producing and supplying a number of the world’s leading vehicle manufacturers with cutting edge vehicle security systems.

Sigma S1

Remote Alarm System

• Two single-button radio keys
• Perimeter detection
• Ignition detection
• Ultrasonic interior protection
• Closed loop protection circuit
• Built-in negative CDL control
• Two accessory outputs and usual Sigma diagnostics and programmability
• Compact, high-power audio siren

Sigma S4

Remote Alarm Immobiliser System

• Two single-button radio keys
• Perimeter detection
• Ignition detection
• Ultrasonic interior protection
• Closed loop protection circuit
• Built-in full CDL control
• Single circuit immobilisation with ‘key theft protection’ option
• Two accessory outputs and usual Sigma diagnostics and programmability
• Compact, high-power audio siren

Sigma S12

Upgrade Alarm System

• Operated from the vehicle manufacturer’s existing remote controls
• Perimeter detection (positive or negative)
• Ignition detection
• Ultrasonic interior protection
• Built-in negative CDL controlTwo accessory outputs and usual Sigma diagnostics and programmability
• Compact, high-power audio siren

Sigma S30

Remote Alarm Immobiliser System
(Thatcham Category 1 & L1 Approved)

• Two single-button radio keys
• Perimeter detection (positive or negative)
• Ignition detection
• Ultrasonic interior protection
• Closed loop protection circuit
• Built-in full CDL control
• Passive arming, dual-circuit immobilisation with ‘key theft
  protection’ option
• Seven accessory outputs
• Sockets for additional sensors and usual Sigma diagnostics and programmability
• Compact battery back-up siren and MK2 keypad included#
• Anti-tamper casing

Sigma S32

Upgrade Alarm System
(Thatcham Category 2 to 1 & L2 to L1 Approved Upgrade)

• Two single-button radio keys
• Perimeter detection (positive or negative)
• Ignition detection
• Ultrasonic interior protection
• Closed loop protection circuit
• Built-in full CDL control
• Single circuit immobilisation with ‘key theft protection’ option
• Seven accessory outputs
• Sockets for additional sensors and usual Sigma diagnostics and programmability
• Compact battery back-up siren included
• Single point immobiliser

Sigma S34

Upgrade Alarm System
(Thatcham Category 2 to 1 & L2 to L1 Approved Upgrade)

• Operated from the vehicle manufacturer’s existing remote controls
• Perimeter detection (positive or negative)
• Ignition detection
• Ultrasonic interior protection
• Closed loop protection circuit
• Built-in negative CDL control
• Single circuit immobilisation with ‘key theft protection’ option
• Four accessory outputs
• Sockets for additional sensorsand usual Sigma diagnostics and programmability
• Compact battery back-up siren included
• Single point immobiliser

Sigma Brochure

Download brochure in PDF format