Increasing Sender/Receiver Distance and Identifying Signal Type in Cycling Odometer

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#1 21670277 31 Oct 2013 13:17

Emie Ulpt Emie Ulpt

Anonymous

Post #1
21670277 31 Oct 2013 13:17

Hi

I want to find out more about the function of cycling odometer. How can I increase the sender/receiver distance? How can I find out which signal is transmitted?

Thanks!
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#2 21670278 01 Nov 2013 18:23

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #2
21670278 01 Nov 2013 18:23

To increase the distance one or more of three things can be done:
1. Increase transmitter RF power
2. Improve transmitter antenna
3. Improve receiver antenna

Although these devices (I think) operate at either 432 or 915 MHz their antennas are electrically short and inefficient and could be greatly improved.
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