Wireless cards

  dj1s 20:16 07 Feb 2006

Is there really any difference in performance between brands on laptop wireless cards or PCI cards for desktops?

The price range seems big - I can get a laptop card for £9.99ex VAT or pay well over £25. Do you get what you pay for or are they so simple they just do the same job?

  ade.h 20:45 07 Feb 2006

Well, they're bound to vary to some extent in terms of quality and reliability, as with most things. Also open to variation is the connection protocol; most cards are for standard 802.11g plus the older 11a, but some cards are dedicated to certain "pre-n" standards, such as MIMO. Multi-in Multi-out works be splitting the signal across three or more aerials and bouncing each segment off surfaces. Other "pre-n" standards - and I use that word very loosely! - are boosted in some way. The forthcoming - a while away yet - 802.11n will run in the region of 108Mbits per sec, and the "pre-n" systems - which cannot be mixed - are designed to mimic this. 11g works at 54Mbits per sec.

  ade.h 20:46 07 Feb 2006

"...plus the older 11a"

Whoops, major typo! Should have said 11b. 11a was different again.

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