IEEE 802.11a/b/g/n Simultaneous dual-band 2.4GHz and 5GHz Radio output power: 20.5 dBm maximum (varies by country) Channels 1-11, 36-116, and 132-165 approved for use in the United States and Canada Channels 1-13, 36-64, and 100-140 approved for use in Europe and Japan Channels 1-13, 36-64, and 149-165 approved for use in Australia, Hong Kong, and New Zealand الماركة أبل الحالة مستعمل