ET-1B: Emergency Transmitter

The Nortek Security & Control Family of Brands

The Model ET-1B Emergency Transmitter is a single-channel transmitter normally used as a “panic button” in security systems. It is also used in many remote switching applications where a portable transmitter is required. Pressing both buttons on the sides of the transmitter at the same time will send a transmission.


  • 2-Button lockout operation
  • Water resistant
  • Adjustable lanyard with breakaway release
  • Standard digital format: 256 selectable codes
  • Powered by one 12-volt battery (included)
  • RF frequency: 303.875 MHz
  • 1.72″ W x 1.72″ H x 0.75″ D
  • Order number: SNT00054B

Installation Manual

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