I have not read the manual yet, just printed it (thanks for the link), but if you read
[Link: remotecentral.com] under network there is
802.11b Network Extender (available 1st quarter 2003) offers IR routing, power sensing and RS232 control
I think that is basically what you are asking for
also in the today's what's new there is this cryptic line
Also look for at least one hardware upgrade beyond the original published specifications for the iPronto.