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

[Alan Dieringer [WX7L]]

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

However, on the webpage
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It is not unusual to find outdated material relating to electronic devices,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>                         Date:
Mon, Aug 16, 2021 at 4:33 AM
Subject: MikroTik support #[SUP-57126]: Question about QRT 5 ac
To: <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-98*9*2) that supports these
channel-widths when compared to the old one (QCA-98*8*2). 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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