Hi all,
I have recently tried to assess the minimum and maximum ranges of my mica2 motes.
As far as I know there are two ways to modify transmission power of the motes:
1. use the setRFPower Function in CC1000Control
2. define RADIO_XMIT_POWER in the makelocal file.
Maximum ranges seem to be how we expect them to (30m at 0dB). Minimu ranges seem to be to high however. If I set the motes to -20 db I still get ranges in excess of 10 Meters (outdoors, 1m above ground). This seems to be to high.
For my app I would like to restrict the range of the motes to a few meters at most. Is this possible by setting the transmit power or do I have to take extra measures?
What should be a mean range when setting a mote to -20dB?
Thanks in advance
Christian
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