DX 433Mhz Wireless Door Contact 248919

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AD-87 433mhz Wireless Door and Window sensor.
AD-87 433mhz Wireless Door and Window sensor.
AD-87 433mhz Wireless Door and Window sensor.
AD-87 433mhz Wireless Door and Window sensor.
AD-87 433mhz Wireless Door and Window sensor.
AD-87 433mhz Wireless Door and Window sensor.

This is based on a EV1527 encoder and therefore works with RCSwitch.

They're detected as 24-bit, protocol 1, no Tri-State. Pulse length varies between about 347 and 350 microseconds.

The two devices I have report their id's as;

Alarm Sensor: 13857492 110100110111001011010100
Alarm Sensor: 9373908 100011110000100011010100

Device is a pretty simple reed switch with a magnet, normally closed and triggered when the connection is broken, this should be easy to hack to other usage.

Affiliate link to DealExtreme: http://dx.com/p/248919?Utm_rid=65939668&Utm_source=affiliate

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