UNetConnection::Tick() clamps the delta time used for the bandwidth limit to the desired tick rate (1 / DesiredTickRate). In PIE, this number is different than the net server max tick rate, so the bandwidth limit can be lower than what's intended. 

Steps to Reproduce

Going to track this issue with [Link Removed] going forward.

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Target Fix4.26
CreatedJun 16, 2020
ResolvedOct 12, 2020
UpdatedNov 4, 2020