Dell :: Poor Signal Strength (1525 PCIe Card)

Nov 4, 2011

Just had delivered two vostro 260s desktops both with wireless cards pre installed.

My home wireless network has been in operation for months with a Linksys Dualband router and various devices (.11n and older) operating.

I set up the two PCs in my work room where the router is and they imediately connected successfully.  I moved one of the desktops to another room (about 12 metres away) and it can barely find the network.  At first the signal was not found at all then it would briefly find the network then lose it again.  I re-arranged router, modem, cables etc. to get it about 3m closer and higher up and now the new PC sees the network but the signal strength is poor and all internet actions are very slow.

To put this in some sort of context, I have an HP laptop which detects excellent signal strength from this router at the same location and all round my house.

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Region : Denmark
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I've noticed something interesting, after having been disconnected from the WLAN in less than 1 minute in my first experience with this Linksys' Modem Router:  The signal strength was poor when browsing the Wireless LAN.    I was at home, in a room just beside the one where the router was placed at.So, I took a look at connection status, and saw the signal strength was Medium - Weak: something around 30% and 55% You could think it was due to mirrors, the kind of walls between the rooms, and everything else, but I instantly remembered when browsing WLAN from the same place but not with the same router, the signal was strong (100%)...but I let it alone  In the other day, while browsing WLAN, I've noticed another thing, this time visible: "TX power" I've got in connection status was 39mW, while I was almost sure it should be 100mW, based on my past WLAN connections Then, today I decided to take a look more deeply in that, and unboxed my Linksys' WRT54G to test.  The test was carried on consisting in both Wireless routers placed in the same room, and a solid wall was between me and the routers.I could connect to the two WLANs, but the status of connections were different.  

WAG120N:

WRT54G:

As you can see, when connecting to WRT54G , signal reached 100% at some point, whereas in WAG120N , such a mark wasn't possible.Of course, the signal strength was unstable in both routers, but the average level in WRT54G WLAN was greater, being most of time over 90%, and never below 80%.In WAG120N WLAN, average was 82%, and lowest level was 55%.When I went to the room where the routers were at, and right in front of them, no need to say both reached 100%, but as you can see, in WAG120n's case, TX power was still 39mw: I believe it's a firmware fault, once all other routers I've connected to always showed TX power as being 100mW.It shoundn't be related to the general hardware, as Cisco products are high-quality ones.

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