The regulatory authority in Brazil, ANATEL, updated power limits for Wi-Fi products:
1. Products operating in the 5.150-5.350 MHz band must be used indoors.
2. The average value of the conducted power is limited to the maximum value of 1 W in the range 5.150-5.250 MHz and 250 mW in the range of 5.250-5.350 MHz. The maximum gain of the antenna does not exceed 6 dBi. The average value of the EIRP spectral density is limited to a maximum of 50 mW / MHz.