Hi Lizhao and all!

youlizhao wrote:
> Dear all,
> 
> Hi!
> 
> I hava a problem with iris default channel.
> 
> Iris uses RF230. According to the tinyos-help, the iris default channel
> is 11, which is defined in file
> /opt/tinyos-2.1.0/tos/chips/platforms/iris/chips/rf230/HplRF230.h
> 
> But my problem is:
> As far as i know, there exits interference between 802.15.4 and 802.11
> in channel 11, while in channel 26 little interference. Why not using
> channel 26 as the default in iris platform, just as cc2420?
> 

It's really interesting! According to my experience if I switch IRIS to
the channel 26, I get bad radio communication (with other IRIS and
MicaZ). But if switch MicaZ to the (for them nonstandard) channel 11
there are no problems to communicate with other MicaZ and IRIS.

Regards,
Andrey

> 
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