Re: Bluetooth keyboards with trackpads?

On 2008-01-25, Andy Burns <usenet.jan2008@xxxxxxxxxxxxxx> wrote:

bluetooth uses frequency hopping

Supposedly so does my wireless LAN, not sure about the keyboard, have
asked the manufacturer about 20 mins ago, they're german and don't
have much english on their website, so hopefully someone there speaks
english. I suppose the wlan isn't hopping away from the keyboard
because it's hardly a high bandwidth eater ;-)

I use WiFi and bluetooth (laptop, ipaq, mouse, GPS, phone, earpiece,
car, desktop + usb dongle) together all the time, never a problem.

I'm not sure if there are differences in the basic transport, I don't
think there's any error correction on the keyboard link, not so sure
about bluetooth or whether error correction depends on the bluetooth
profile selected.

I've minimised the hassles with this keyboard by forcing the wireless
LAN up to channel 13, at the top end of the spectrum, flooding the
network (keyboard promptly locks up), then syncing the keyboard and
receiving dongle to prompt them to select a frequency in the hope that
they'd see the high traffic wlan and move away. That seems to have
helped, despite the network still being flooded the keyboard became
almost usable but I'm still getting character echoes even when the
wlan traffic is low. Not as bad as it was but still annoying.

I think I might try a bluetooth keyboard and see how it goes, if you
reckon yours is working fine without wlan interfence. I could do with
a small one for my mobile phone as it moves to replace my PDA. What's
range like on your keyboard? Apple's one (very nice but lots of
missing keys and no trackpad) works up to 30 feet away apparently.

--
Blast off and strike the evil Bydo empire!
.

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