• Piezoelectric technology with no moving parts
  • Lifespan: over 100 million activations
  • Maximum volume: 100 dB at 1 meter
  • Operating temperature: -34 °C to +74 °C
  • Activation force: max 3.0 lb
  • Plug-and-play ready installation
  • USB-C and Bluetooth® compatible interfaces
  • Automatic Gain Control (AGC)
  • QST™ directional sound technology
  • Programmable modes: call, clearance, beacon, etc.
  • Rugged aluminum and thermoplastic housing
  • Compliant with MUTCD 2009 4E, NEMA TS2, IEC 61000, FCC
  • ISO 9001:2015 certified
  • Urban or rural pedestrian crossings
  • Extreme weather intersection environments
  • Inclusive crossings without major infrastructure work
  • School zones, commercial areas, or high-density corridors
  • Safe mobility and smart city projects
  • Highly durable and weatherproof
  • Compliant with ADA, MUTCD, and NEMA standards
  • Easy integration without structural modifications
  • Remote configuration via PedConnex® app
  • Available with physical or contactless (Wave) activation
  • Compatible with solar power and 48 VDC cabinets

Highly durable, with reliable activation in all weather conditions.

The Guardian® APS Piezoelectric is a 4-wire standalone audible pedestrian station designed to enable inclusive and safe crossings without major cabinet modifications. It combines a solid-state piezo push button with audio and visual feedback, and offers a contactless version (Wave) for hygienic environments. It withstands extreme weather and supports Bluetooth® or USB configuration via the PedConnex® app. Ideal for solar-powered applications and high-traffic pedestrian crossings.

  • Piezoelectric technology with no moving parts
  • Lifespan: over 100 million activations
  • Maximum volume: 100 dB at 1 meter
  • Operating temperature: -34 °C to +74 °C
  • Activation force: max 3.0 lb
  • Plug-and-play ready installation
  • USB-C and Bluetooth® compatible interfaces
  • Automatic Gain Control (AGC)
  • QST™ directional sound technology
  • Programmable modes: call, clearance, beacon, etc.
  • Rugged aluminum and thermoplastic housing
  • Compliant with MUTCD 2009 4E, NEMA TS2, IEC 61000, FCC
  • ISO 9001:2015 certified
  • Urban or rural pedestrian crossings
  • Extreme weather intersection environments
  • Inclusive crossings without major infrastructure work
  • School zones, commercial areas, or high-density corridors
  • Safe mobility and smart city projects
  • Highly durable and weatherproof
  • Compliant with ADA, MUTCD, and NEMA standards
  • Easy integration without structural modifications
  • Remote configuration via PedConnex® app
  • Available with physical or contactless (Wave) activation
  • Compatible with solar power and 48 VDC cabinets

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Piezoelectric APS