• How to set up Omron A2W wireless pushbutton

Innovation created by a switch that connects people and machines wirelessly

A Wireless Call Button without a Battery.

  • 8 pushbuttons can be assigned to one receiver unit
  • Each receiver has 8 transistor outputs (one-shot operation)
  • A pushbutton can be assigned to multiple outputs of a receiver
  • Self generated power created by the button operation eliminates the need for a power supply or batteries
  • Wireless communication is confirmed with a colored LED indicator on the pushbuttons
  • 922.5MHz frequency band reduces interference, providing a better signal in locations with obstacles
  • A high-sensitivity magnetic-base antenna is an option when installing the receiver inside a control panel


  • Notifying ON/OFF information (i.e. Call a supervisor, missing item information, work completion notification)
  • Instructions to automated guided vehicles (i.e Instruction to stop or go)
  • Instructions for manned guided vehicles (i.e. Instructions for opening and closing shutters or doors of warehouses, fork-lifts)
  • Instructions to a machine (i.e. Stopping, opening and closing doors)

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