Different transmit power hAP ac2 vs RB951Ui-2hND
Just curious about something. We needed some ad-hoc wifi in a small raked theatre with perhaps 30m through clear air in a straight line-of-sight from the control room (sound and lighting decks) to the stage. An hAP ac2 was losing connections all the time at that distance. An old RB951Ui-2hND was solid. The doco says the 2.4GHz transmit power differs - 30/25/30/23 vs 27/24/27/23. Is that difference enough to explain the dropouts? Why would the newer device have so much less power? Needed to share it with the 5GHz side perhaps? Both are running 7.15.1 BTW. Regards, K. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Karl Auer (kauer@nullarbor.com.au, he/him) work +61 2 64957435 http://www.nullarbor.com.au mobile +61 428 957160 Please feel free to deal with this email during your own working hours.
Hi Karl, That's wireless for you... even same tech, same wireless chips can deliver different results inside different products simply due to antenna design and alignments. 🥴 Even physical placement of a device can change the connection quality - remember that antennas have 'polarity' (e.g. 'vertical' and/or 'horizontal') and that ideal signal transfer happens when those polarities are perfectly aligned at both ends - something hard to do when they are little desktop boxes arranged at a 'convenient' desktop location. As for the 5GHz option - watch out with the hAPac-lite models: they have lower tx output on the 5GHz and only single polarity antenna, so may not offer any improvement at all over the 2GHz option. For best results with what you are describing, point to point products with directional antennas will deliver a massively more reliable and robust link - for 2GHz, something like SXTsq-lite2: https://store.duxtel.com/sxtsq_lite2 Cheers! Mike. -----Original Message----- From: Public <public-bounces@talk.mikrotik.com.au> On Behalf Of Karl Auer via Public Sent: Thursday, 4 July 2024 10:20 PM To: MikroTik Public <public@talk.mikrotik.com.au> Cc: Karl Auer <kauer@nullarbor.com.au> Subject: [MT-AU Public] Different transmit power hAP ac2 vs RB951Ui-2hND Just curious about something. We needed some ad-hoc wifi in a small raked theatre with perhaps 30m through clear air in a straight line-of-sight from the control room (sound and lighting decks) to the stage. An hAP ac2 was losing connections all the time at that distance. An old RB951Ui-2hND was solid. The doco says the 2.4GHz transmit power differs - 30/25/30/23 vs 27/24/27/23. Is that difference enough to explain the dropouts? Why would the newer device have so much less power? Needed to share it with the 5GHz side perhaps? Both are running 7.15.1 BTW. Regards, K. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Karl Auer (kauer@nullarbor.com.au, he/him) work +61 2 64957435 http://www.nullarbor.com.au mobile +61 428 957160 Please feel free to deal with this email during your own working hours. _______________________________________________ Public mailing list Public@talk.mikrotik.com.au http://talk.mikrotik.com.au/mailman/listinfo/public_talk.mikrotik.com.au
Before you get too excited, put the new wifi-qcom-ac drivers on the hapac2. Uninstall the old wireless package and install the new one from the extras package. It will likely have a better performance. Regards, Jason Hecker <https://www.upandrunningtech.com.au> <https://www.upandrunningtech.com.au> On Thu, 4 Jul 2024, at 22:20, Karl Auer via Public wrote:
Just curious about something.
We needed some ad-hoc wifi in a small raked theatre with perhaps 30m through clear air in a straight line-of-sight from the control room (sound and lighting decks) to the stage.
An hAP ac2 was losing connections all the time at that distance. An old RB951Ui-2hND was solid.
The doco says the 2.4GHz transmit power differs - 30/25/30/23 vs 27/24/27/23. Is that difference enough to explain the dropouts? Why would the newer device have so much less power? Needed to share it with the 5GHz side perhaps?
Both are running 7.15.1 BTW.
Regards, K.
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Karl Auer (kauer@nullarbor.com.au, he/him) work +61 2 64957435 http://www.nullarbor.com.au mobile +61 428 957160
Please feel free to deal with this email during your own working hours.
_______________________________________________ Public mailing list Public@talk.mikrotik.com.au http://talk.mikrotik.com.au/mailman/listinfo/public_talk.mikrotik.com.au
participants (3)
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Jason Hecker -
Karl Auer -
Mike Everest