In general, what is the difference in transmit power between an AP operating at Tx Power Level 1and

In general, what is the difference in transmit power between an AP operating at Tx Power Level 1
and the same AP operating at Tx Power Level 3?

A.
2 dB

B.
3 dB

C.
6 dB

D.
11 dB

E.
17 dB