 koamPink PeckerPremium
join:2000-08-16
East Puddle
 ·Shoreham Telephone
2 edits | Need dual-band replacement internal wireless laptop adapter An ASUS laptop came with Atheros AR928X wireless adapter. It's evidently not dual-band (2.4GHz and 5 GHz).
I want an internal adapter that's dual band. So I need to know if there are different slot/port standards that determine which type of card to buy.
The laptop is about 2 years old. The driver calls the adapter AR928X where, I surmise, that X is a variable for a set of products. On the Atheros site, here's one of the items »www.qca.qualcomm.com/technology/···oduct=79 , the AR9285 and it uses the words "PCI Express" which I guess is a card/slot standard. Looking at the wikipedia for PCI Express, I see that there are version numbers to this standard.
What are the types of internal cards (slots) for laptops? More specifically, what slot type is the Atheros Ar928X - or, how can I tell which card to buy and which card not to buy?
Thanks.
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| The most simplest and cheapest answer is purchasing an external USB dual band adapter like Netgear or linksys.
Trying to use special PCI-E internal cards maybe a too expensive as you would need to find places around the LCD to place the Antennae |
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koamPink PeckerPremium
join:2000-08-16
East Puddle | Thanks. I'm thinking that the external type isn't practical because we move the computers many times a day...used on couches, beds, in the kitchen, etc. |
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| I have an Acer that I wanted a dual band card in. Its a mini-pci card in that laptop. I purchased this and have been loving it since.
»shop.bizsyscon.com/mikrotik-r52n···a-b-g-n/ |
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 billaustinthey call me Mr. BillPremium,MVM
join:2001-10-13
North Las Vegas, NV
kudos:2 | reply to koam
Most of the current internal laptop cards are PCI-E (PCI Express). Some are half-length, some are full-length. You can buy replacements on ebay for as little as $5. Just take the panel off the bottom of the laptop and see which one you need. Post a picture if you need assistance determining the type. You need to be careful with the antenna connectors, but they are easy to change. Remember to download the new drivers before doing the exchange. |
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| Would the existing internal antenna wires designed for 2.4GHz still be compatible or are they designed to support either band?
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| 2.4Ghz antennae may not be used for 5Ghz |
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| Let me ask it differently:
Is the laptop likely to be wired such that a replacement dual-band card can just drop in?
In the old days, laptops were routinely equipped with internal antenna wires even if the machine was shipped without wireless an an option. It was cheaper that way. Is it reasonable to assume a relatively new laptop would contain dual band capable antenna wires?
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billaustinthey call me Mr. BillPremium,MVM
join:2001-10-13
North Las Vegas, NV
kudos:2 | reply to Da Geek Kid
said by Da Geek Kid:2.4Ghz antennae may not be used for 5Ghz
That is not correct. An antenna that is tuned for 2.4ghz will function poorly, if at all, for 5ghz. Most laptops are equipped with simple antennas that will function for both frequency bands.
My current laptop came with a 2.4ghz wireless card. First thing I did was replace it with a dual-band Intel card. I use 5ghz for my wireless internet, with no issues. |
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 mozerdLight Will Pierce The DarknessPremium,MVM
join:2004-04-23
Nepean, ON
4 edits | said by billaustin:My current laptop came with a 2.4ghz wireless card. First thing I did was replace it with a dual-band Intel card. I use 5ghz for my wireless internet, with no issues. It does matter in the dual band N MIMO world especially if one uses 3x3 systems. The next generation of portable computers will be better equipped to deal with this aspect. Current crop of portable computers are much better off [assuming performance IS the objective] with external USB network adapters -- so for example if ur wireless gear is a Belkin N600 ur external network adapter should be the one that Belkin makes for that model because the chips used would be not only compatable but fully capable 
Following is a interesting introduction to MIMO produced by a firm that sells test gear so it is somewhat Technicle but does cover the various schemes used in MIMO ... a good read if ur a geek and want to learn about spatial multiplexing, beamforming, plus, plus.
Another very good but Technicle article that differentiates between Spatial Multiplex and Beamforming ... To understand why many clients are sooooo confused
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