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PreviousHome Time & Weather Transmitters & Sensors Linear LND21A SD Wall-mount Transmitter, Normally Open
Linear LND21A SD Wall-mount Transmitter, Normally Open
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Linear LND21A SD Wall-mount Transmitter, Normally Open

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Item # HMCNT2812
$46.70
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Regular Price: $57.07
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Linear LND21A SD Wall-mount Transmitter, Normally Open

Item Description

The Model D-21A Normally Open Wall-mount Transmitter has a normally open input circuit that operates in conjunction with an externally mounted normally open magnetic or mechanical contact. When the external contact closes, the transmitter automatically transmits a two-second digitally coded signal to a companion standard digital receiver. Pressing the test pushbutton on the front of the transmitter will also cause the transmitter to send a signal. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.

Features :
  • Slimline case design.
  • Test/operate switch.
  • Test/operate LED. 2-second transmission.
  • Standard digital format: 256 selectable codes.
  • One N/O input loop circuit. Loop input screw terminals.
  • Powered by one 9-volt battery (included).
  • Battery included.


Model: LND21A


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