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Old 12-30-2012, 01:11 AM   #1 (permalink)
Jeff
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Default 5G network

I just purchased a Netgear dual Band Gigabit Router (WNDR 3700) and it works great. But my laptop cannot see the 5G wlan. So I looked at the device manager and under network adapters I see:

a) Atheros AR8161/8165 PCI-E Gigabit Ethernet controller (NDIS 6.20)
b) Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC

Is this nic incapable of 5g? Is it a matter of drivers or the adapter?

Thank you.
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Old 12-30-2012, 10:11 PM   #2 (permalink)
alexd
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Default Re: 5G network

Jeff (for it is he) wrote:

> b) Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC
>
> Is this nic incapable of 5g?


A cursory google suggests it's 2.4G only. I can't find a reference to it on
realtek.com for some reason.

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Old 12-30-2012, 11:11 PM   #3 (permalink)
Jeff@nospam.invalid
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Default Re: 5G network

On 12/30/2012 4:29 PM, alexd wrote:
> Jeff (for it is he) wrote:
>
>> b) Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC
>>
>> Is this nic incapable of 5g?

>
> A cursory google suggests it's 2.4G only. I can't find a reference to it on
> realtek.com for some reason.
>

Thank you. That is what I thought I found but because I am no expert in
wlans I was not sure if I was interpreting the specs I found correctly.

Thanks for confirming. The nic came built-in in my Toshiba laptop.

So, if this is the case should I see if there is a way to turn off the
router's 5.4 capability? Does it matter? Is it a security risk to leave
the 5.4 broadcasting?

Thanks again and happy new year.

Jeff
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Old 12-30-2012, 11:11 PM   #4 (permalink)
ps56k
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Default Re: 5G network

and what exactly is a 5G WLAN ?



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Old 12-30-2012, 11:11 PM   #5 (permalink)
ps56k
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Default Re: 5G network


"ps56k" <pschuman_no5pam_m3@interserv.com> wrote in message
news:kbqfko$k20$1@dont-email.me...
> and what exactly is a 5G WLAN ?


duh -
was thinking more in the cellular world and 5G meaning 5th-generation
vs the 5G meaning 5Ghz WiFi -





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Old 12-30-2012, 11:11 PM   #6 (permalink)
Jeff@nospam.invalid
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Default Re: 5G network

On 12/30/2012 5:35 PM, ps56k wrote:
> and what exactly is a 5G WLAN ?
>
>
>

Sorry if I used the wrong terms. I am a newbie. I mean my router
broadcasting in 5.4 Ghz (I think).
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Old 12-30-2012, 11:11 PM   #7 (permalink)
Jeff@nospam.invalid
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Default Re: 5G network

On 12/30/2012 5:46 PM, Jeff@nospam.invalid wrote:
> On 12/30/2012 5:35 PM, ps56k wrote:
>> and what exactly is a 5G WLAN ?
>>
>>
>>

> Sorry if I used the wrong terms. I am a newbie. I mean my router
> broadcasting in 5.4 Ghz (I think).

Sorry again. The router interface calls it 5.0Ghz.

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Old 12-31-2012, 12:11 AM   #8 (permalink)
ps56k
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Default Re: 5G network


"Jeff" <Jeff@nospam.invalid> wrote in message
news:kbo320$9o7$1@dont-email.me...
> I just purchased a Netgear dual Band Gigabit Router (WNDR 3700) and it
> works great. But my laptop cannot see the 5G wlan. So I looked at the
> device manager and under network adapters I see:
>
> a) Atheros AR8161/8165 PCI-E Gigabit Ethernet controller (NDIS 6.20)
> b) Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC
>
> Is this nic incapable of 5g? Is it a matter of drivers or the adapter?
>


what's your real question - speed, interference, compatibility ?

A dual band WiFi router has the capability to transmit in either/both the
2.4 and the 5.0 Ghz freqs.
The 802.11n WiFi protocol is what actually defines the "speed" not the 2.4
vs 5.0 freq -

Your "G" used here is for Ghz or frequency - not like cellular where "G" is
for "generation"
which implies a speed increase - like ..... 2G vs 3G vs 4G



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Old 12-31-2012, 12:11 AM   #9 (permalink)
Jeff@nospam.invalid
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Default Re: 5G network

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On 12/30/2012 6:52 PM, ps56k wrote:
> "Jeff" <Jeff@nospam.invalid> wrote in message
> news:kbo320$9o7$1@dont-email.me...
>> I just purchased a Netgear dual Band Gigabit Router (WNDR 3700) and it
>> works great. But my laptop cannot see the 5G wlan. So I looked at the
>> device manager and under network adapters I see:
>>
>> a) Atheros AR8161/8165 PCI-E Gigabit Ethernet controller (NDIS 6.20)
>> b) Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC
>>
>> Is this nic incapable of 5g? Is it a matter of drivers or the adapter?
>>

>
> what's your real question - speed, interference, compatibility ?
>
> A dual band WiFi router has the capability to transmit in either/both the
> 2.4 and the 5.0 Ghz freqs.
> The 802.11n WiFi protocol is what actually defines the "speed" not the 2.4
> vs 5.0 freq -
>
> Your "G" used here is for Ghz or frequency - not like cellular where "G" is
> for "generation"
> which implies a speed increase - like ..... 2G vs 3G vs 4G
>
>
>

My question is the following:
I have now determined that my laptop nic adapters are only 2.4 capable.
That is OK with me because the download speed is excellent.

So, ---- since my laptops cannot access the 5.0Ghz -- I wonder if
allowing the dual router to continue broadcasting in 5.0Ghz is not an
unnecessary risk. I cannot use it but someone else might use it to break
in.

I am no expert and therefore asking if that is a concern and should I
disable the router's 5.0Ghz component (for security) because it is of no
use to me even though it being protected by a strong WPA AES passphrase.

Forgive me if I was not clear and am using imprecise terminology. All
this is new to me.


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