Robert L. McCollum

Comtech EF Data Corp. is engaged in satellite bandwidth efficiency and link optimization. Its products include heights networking platform, satellite modems, RF products, ran and wan optimization, network, and bandwidth management. The firm offers engineering and contract manufacturing services. The company was founded in 1984 and is headquartered in Tempe, AZ.

Motorola, Inc. provides seamless mobility products and solutions across broadband, embedded systems and wireless networks. Motorola is engaged in providing technologies, products and services for mobile phones. Its portfolio includes wireless handsets, wireless accessories, digital entertainment devices, wireless access systems, voice and data communications systems, and enterprise mobility products. The company operates through three business segments, including Mobile Devices Segment, Home and Networks Mobility Segment and Enterprise Mobility Solutions Segment. The Mobile Devices segment designs, manufactures, sells and services wireless handsets with integrated software and accessory products, and licenses intellectual property. The Home and Networks Mobility segment designs, manufactures, sells, installs and services: (i) digital video, Internet Protocol video and broadcast network interactive set-tops, end-to-end video delivery systems, broadband access infrastructure platforms, and associated data and voice customer premise equipment to cable television and telecom service providers, and (ii) wireless access systems, including cellular infrastructure systems and wireless broadband systems, to wireless service providers. The Enterprise Mobility Solutions segment designs, manufactures, sells, installs and services analog and digital two-way radio, voice and data communications products and systems for private networks, wireless broadband systems and end-to-end enterprise mobility solutions to government and public safety agencies, as well as retail, energy and utilities, transportation, manufacturing, healthcare and other commercial customers. Motorola was founded on September 25, 1928 and is headquartered in Schaumburg, IL

Part of Comtech Telecommunications Corp., EFData Corp. designs, develops, and makes satellite communications products for voice, data, facsimile, and video transmissions. The company is based in Tempe, AZ. The company was founded by Steven Wayne Eymann. EFData was acquired by Comtech Telecommunications Corp. from AB Liquidating Corp. on July 10, 2000 for $61.50 million.