New firmware only makes the Tx Power + Ant (3db) that came with the machine. The tests measure e.i.r.p may not exceed 15 dBm output frequency district (B-Only, G-Only, N-Only and Mix).
New firmware specifically made Tx Power Ant (3dB) attached to the machine, the test values e.i.r.p not exceeding 15 dBm frequency (B-Only G-Only N-Only,,, And Mix).