Saturday, 17 May 2014

How to check if a computer that you are using has the 5 GHz network capability.

On the Command Prompt window, enter “netsh wlan show drivers” then press [Enter].
Step 3:
Look for the Radio types supported section.  If it says that the network adapter supports both  802.11a and  802.11n network modes, it means that the computer that you are using has the 5 GHz network capability.
In this example, the wireless adapter supports 802.11b, 802.11a, 802.11g, and 802.11n network modes.  This means that the computer has the 5 GHz network band capability.

On the Medion PC with a Linksys WUSB6300 Adaptor

C:\Users\Terry>netsh wlan show drivers

Interface name: Wireless Network Connection 3

    Driver                    : Linksys WUSB6300
    Vendor                    : Linksys LLC
    Provider                  : Linksys LLC
    Date                      : 14/06/2013
    Version                   : 1023.8.524.2013
    INF file                  : C:\Windows\INF\oem14.inf
    Files                     : 2 total
                                C:\Windows\system32\DRIVERS\RTWlanU.sys
                                C:\Windows\system32\drivers\vwifibus.sys
    Type                      : Native Wi-Fi Driver
    Radio types supported     : 802.11n 802.11n 802.11b 802.11g 802.11a
This supports 5GHz if the VirginMedia router is set to 5GHz

And

Interface name: Wireless Network Connection 2 This is the Edimax USB Wireless 802.11n Adapter

    Driver                    : 802.11n USB Wireless LAN Card
    Vendor                    : Ralink Technology, Corp.
    Provider                  : Ralink
    Date                      : 05/08/2009
    Version                   : 3.0.3.0
    INF file                  : C:\Windows\INF\oem13.inf
    Files                     : 4 total
                                C:\Windows\system32\DRIVERS\netr28u.sys
                                C:\Windows\system32\drivers\vwifibus.sys
                                C:\Windows\system32\RaCoInst.dll
                                C:\Windows\system32\RaCoInst.dat
    Type                      : Native Wi-Fi Driver
    Radio types supported     : 802.11b 802.11g 802.11n
This adaptor does not work on the VirginMedia router unless set to 2.4GHz setting


Question: What is Dual Band Wireless Networking?
Answer: In Wi-Fi wireless networking, dual band is the capability to transmit on the 5 GHz band of 802.11a and also the 2.4 GHz band used by 802.11b, 802.11g, and 802.11n. Unlike ordinary Wi-Fi equipment that only supports one signal band, dual-band gear contain two different types of wireless radios that can support connections on both 2.4 GHz and 5 GHz links.

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