Apple Time Capsule ( 3 TB )IEEE 802.11 a/b/g/n/acSix-element beamforming antenna arraySimultaneous dual-band 2.4 GHz and 5 GHzRadio output power: 32.5 dBm maximum (varies by country)Channels 111,36116,132140, and 149165 approved for use in the United States and CanadaChannels 113,3664, and 100140 approved for use in Europe and Japan