AT&T is an American Telcom company. Wireless communication remains AT&T’s largest business, contributing nearly 40% of revenue. As the second- largest U.S. wireless carrier, AT&T connects more than 100 million devices, including 63 million postpaid…
AT&T is an American Telcom company. Wireless communication remains AT&T’s largest business, contributing nearly 40% of revenue. As the second- largest U.S. wireless carrier, AT&T connects more than 100 million devices, including 63 million postpaid…