and 13 for 802.11g and n is recommended . [ citation needed ] Equivalent isotropically radiated power (EIRP) in the EU is limited to 20 dBm (100 mW). The current 'fastest' norm, 802.11n, uses double the radio spectrum/bandwidth (40 MHz) compared to 802.11a or 802.11g (20 MHz). This means there can be only one