MELVILLE, N.Y.--(BUSINESS WIRE)--July 20, 2015--Comtech Telecommunications Corp. (NASDAQ:CMTL) announced today that its Tempe, Arizona-based subsidiary, Comtech EF Data Corp., received $1.0 million in orders for SATCOM infrastructure equipment. A major GSM operator in West Africa will utilize the equipment to support the expansion of its satellite-based GSM backhaul. The GSM operator will leverage two different combinations of Comtech EF Data equipment with RAN Optimization from Comtech EF Data