Exhibit 10.57 WIRELESS BROADBAND CPE SUPPLY AGREEMENT Between: and: Motorola, Inc. Clearwire US LLC 1501 W. Shure Drive 5808 Lake Washington Blvd. NE, Suite 300 Arlington Heights, IL 60004 Kirkland, WA 98033 (Motorola) (Clearwire) EFFECTIVE DATE:...Wireless Broadband Cpe Supply Agreement • March 7th, 2007 • Clearwire Corp • Communications services, nec • New York
