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Subject: simple wireless device
Posted by: Ozzie
E-mail: assegid(at)asu(dot)edu(no spam)
I need a simple wireless device or circuit that I can use for sending slow
changing analog signal (0.5 V/ms max),about 0~5V range, and retrieve it
at a range of 50 yards. RF or otherwise, but it should not require pointing
transmiter to receiver. Also , how does one determine which portion of the
RF spectrum to use for a certain application. In other words, what factors
determine the carrier frequency. How is cost and efficiency affected. Any
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