What are the meaning of the different network Options?

Initially, I assumed [1 x 1] means only (2.4 GHz) band and [2 x 2] mean dual band (2.4 GHz and 5 GHz), but the following options are listed for the HP ENVY - computer laptop 17 t. It is my understanding that 802.11ac protocol works on the 5 GHz band so the third option must be otherwise dual band, she couldn't communicate with many routers in use because they are supported only on the 2.4 Ghz band.

1 802.11b/g/n WLAN [1 x 1]

2 802.11b/g/n WLAN and Bluetooth® [1 x 1]

3 Intel 802.11ac WLAN and Bluetooth® [1 x 1]

4 Intel 802.11ac WLAN and Bluetooth® [2 x 2]

HP seems to go back because I have a laptop HP G70 age of 6 years which came standard with a network adapter dual band 802.11n, but lately it seems that HP has only NICs band 802.11n in most laptops, and it is not even an option to update.

Can someone clarify what means these designations. If doe [1 x 1] does not mean only one band and [2 x 2] does not have dual band, how someone to determine if the first two options are single or double band band, since the "n" Protocol can operate on both bands?

I am not concerned by the "ac" Protocol because some routers support this Protocol but I'm worried about whether the network adapter is simple or double band, since I live in a condo complex and neighbors are on the band 2.4 GHz, which causes my WF - FI to slow down to a crawl, but if I'm on the Gz 5 band the WI - FI works at full speed.  I was very surprised when I bought my HP all-in-one"system to discover that he had only a single band network adapter and I had to buy a 3rd party network card so that my WIFI would not slow down to 3 Mbps instead of running at the speed of the line (29 Mbps).

Hello:

This article does a good job of explaining the difference.

http://superuser.com/questions/323347/laptop-wireless-networking-options-1x1-vs-2x2

The way that I say if a wireless card is simple or double band, is that if it is listed bgn, it is a single card (2.4 GHz) band and whether it is listed abgn agn or it is a double card band.

Tags: Notebooks

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