[MVMA] 5ac .vs. HP5-nD

[Chuck Gelm]

The 'ac' devices may have more sensitive receivers and *do have less 
powerful transmitters.*
Pairing 'ac' with 'ac' should give similar result to pairing 'HP5nD' 
with 'HP5nD'.

However, pairing a '5ac' device with a 'HP5nD' may have different SNR 
values at each end.
On the 'HP5nD' end its less sensitive receiver will be hearing a less 
powerful transmitter.
On the '5ac' end the more sensitive receiver will be hearing a more 
powerful transmitter.
I expect that the SNR and throughput (TxMbps) difference at each end of 
a mixed device links will be significant.

It is likely that upgrading from 'nD' to 'ac' devices should be done in 
link pairs or channel groups.

73, Chuck
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