What APTx Power Level Assignment would be required to increase power by 3 dBm on 2.4GHz radio?

What APTx Power Level Assignment would be required to increase power by 3 dBm on 2.4GHz
radio?

A.
1

B.
2

C.
3

D.
4

E.
5

F.
6

G.
7

H.
8