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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Consumer Hardware & Components > bluetooth and airport conflicts

bluetooth and airport conflicts
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tr
Mac Elite
Join Date: Nov 1999
Location: Columbus, Ohio
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Mar 20, 2002, 10:56 PM
 
hi all!


so apple is hopping on the bluetooth bandwagon with the d-link usb bluetooth adapter working with macs. that's fine, but could this interfere with systems with airport/802.11b?

now, while they both share the same band on the EM spectrum (2.4-2.483 GHz), bluetooth (if the info i've read is correct) uses a frequency hopping signal that 'hops' around the 83 MHz band; couldn't this cause interference with 802.11b networks?

now, from the stuff i've seen on apple's site, it seems that they consider bluetooth as the wireless counterpart of usb/firewire connectivity. so i'm guessing that apple would probably only support the lowest of the three power transmission modes of bluetooh, that being 1 mW. (the other modes being 2.5 mW and 100 mW... ...airport puts out a nominal 15 dBm, which is around 30 mW, now that may cause some airport havoc!)


is there anyone out there who's run into problems using bluetooth enabled devices in an 802.11b network?

tr

[ 03-20-2002: Message edited by: tr ]
     
Forum Regular
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Mar 20, 2002, 11:06 PM
 
Dunno, but I'm sure I'll post if I have any problems. I'm so happy that Apple is releasing a Bluetooth driver, and someone is making a handy little USB peripherial! I use Airport, so we'll see if there are any conflicts.
     
Mac Elite
Join Date: Apr 2001
Location: In my tree making cookies
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Mar 21, 2002, 12:27 AM
 
That was one of the initial problems they had, but they've resolved those issues.
     
Clinically Insane
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Mar 21, 2002, 02:45 AM
 
Originally posted by Nebrie:
<STRONG>That was one of the initial problems they had, but they've resolved those issues.</STRONG>
That's really good to hear, Nebrie - do you have any links to specifics on how they solved it?

[ 03-21-2002: Message edited by: Big Mac ]

"The natural progress of things is for liberty to yield and government to gain ground." TJ
     
tr  (op)
Mac Elite
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Mar 21, 2002, 08:40 AM
 
Originally posted by Big Mac:
<STRONG>

That's really good to hear, Nebrie - do you have any links to specifics on how they solved it?

[ 03-21-2002: Message edited by: Big Mac ]</STRONG>

yes, i was looking for any specifics on this also. i mean, it's too significant to just gloss over and say "well, they fixed those issues."

tr
     
Mac Elite
Join Date: Jun 2000
Location: Pasadena
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Mar 21, 2002, 02:44 PM
 
From my recent talks with Apple Tech ('bout 2 weeks ago), the bluetooth people were lazy and claim that the problem wasn't theirs. 802.11b people obviously doesn't admit they are at fault, so there haven't been much resolution yet. I'd be interested to know how and when those issues are resolved...
G4/450, T-bird 1.05GHz, iBook 500, iBook 233...4 different machines, 4 different OSes...(9, 2k, X.1, YDL2.2 respectively) PiA to maintain...
     
<moofman>
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Mar 21, 2002, 05:38 PM
 
Bluetooth hops around but doesn't check to see if the channel is in use before hopping. Airport hops too, but is polite, and checks to see if it's in use before it hops. That was the major hangup prior to this..

I'm curious as to how Apple worked around that... Anybody know?
     
   
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