Mexican cellco Iusacell has engaged the services of Radio Frequency Systems Mexico (RFS Mexico) to assist with the expansion and enhancement of Iusacell’s mobile network to support CDMA2000 1xEV-DO Rev. A, being carried out by Alcatel-Lucent. RFS is providing 4,500 broadband base station antennae and 1,200 microwave aerials. In a related project RFS is also directly suppling Iusacell with approximately 100km of transmission lines and accessories for 300 base station sites. The nationwide network is due to for completion by July 2008. According to TeleGeography’s GlobalComms database, Iusacell is Mexico’s third largest cellular service provider by subscribers, with a customer base of 3.9 million at the end of June 2007.