ePanorama.net discussion forum archive 2001-2003

Posted by phetsi (196.11.124.1) on October 23, 2003 at 09:26:00:

In Reply to: fm transmitter and receiver posted by Makabongwe Cliff Mathenjwa on March 18, 2003 at 08:41:26:

may anyone who knows of an rf based alarm system where by an object to be protected should transmit a signal to a receiver at defined regular intervals. if the distance between the object and the receiver goes beyond reception range it could indicate that the object has moved away (possibly stolen).

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