range of Coded phy(S8) versus 1M in advertising

I just programmed 2 Boards.

One Peripheral advertising with 1m Phy and other peripheral with s8 codded phy. 

Using NRF connect app and wire sharc I made sure that I really achieved the coded phy as well. 

Now the question:

Inside my building the range where I still receive the advertisment packets is the same regardless of 1m or coded phy. 

Is this expected?

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