[HamWAN PSDR] "r2" Version Supports all Three Band Widths - MikroTik QRT 5ac 5GHz outdoor flat panel 24dBi antenna

[Nigel Vander Houwen]

Alan,

Very interesting if true. I think it may still be a bit premature to update the site to say AC modems are OK until it can be tested, but if someone ends up getting a new ‘r2’ version and it does work, please let us know and we’ll get it added to the list.

Nigel

> On Aug 16, 2021, at 12:57 PM, Alan Dieringer [WX7L] <WX7L at westseattlearc.org> wrote:
> 
> Dear PSDR List Members,
> 
> HamWAN's PDF comparing various devices shows the QRT 5 ac:   
>        http://hamwan.org/Standards/Component%20Engineering/Client%20Hardware/antenas_mantbox.pdf <http://hamwan.org/Standards/Component%20Engineering/Client%20Hardware/antenas_mantbox.pdf>
> 
> However, on the webpage http://hamwan.org/Standards/Component%20Engineering/Client%20Hardware.html <http://hamwan.org/Standards/Component%20Engineering/Client%20Hardware.html> it states: "Avoid Mikrotik's 802.11ac modems. These are incapable of tuning the 5 and 10 MHz channels used by HamWAN and are therefore incompatible."
> 
> It is not unusual to find outdated material relating to electronic devices, and I think this is the case here, so I thought it best to check with the manufacturer.  Below is the response from MikroTik Support confirming that the new version of the QRT 5 ac also supports 5 and 10 MHz band widths because of a new chipset in the "r2" revision.  Just need to make sure you don't get the old version.
> 
> 73
> Alan WX7L
> 
> From: Rūdolfs P. (Jira) <support at mikrotik.com <mailto:support at mikrotik.com>>                         Date: Mon, Aug 16, 2021 at 4:33 AM
> Subject: MikroTik support #[SUP-57126]: Question about QRT 5 ac
> To: <WX7L at westseattlearc.org <mailto:WX7L at westseattlearc.org>>
> —-—-—-—
> Please REPLY ABOVE THIS LINE ^ (for faster response, use our support portal <https://help.mikrotik.com/servicedesk/>).
> Hello,
> 
> Apologies for the delayed response. QRT 5ac is quite a unique situation. After additional investigation regarding the support of 5/10Mhz channel-width, I can say that, if you buy the router today, it should support these channel-widths. It has two public revisions, where the newer one (/r2) has a different wireless chipset (QCA-9892) that supports these channel-widths when compared to the old one (QCA-9882). To make sure you are getting the right one, you can ask the distributor to ensure that you will have the r2 revision, which can be found on the box/case label at the end of serial number, for example - A13B0DXXXXXX/0XX/r2.
> I will make sure to update the Web description of the QRT 5ac, as it currently shows that it has QCA-9882 wireless chip and the older one is long discontinued.
> 
> Best regards,
> 
>  
> Rūdolfs P.
> 
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