Telefónica, Portugal Telecom to overlay GSM on CDMA networks in Brazil By Reily Gregson June 6, 2002 Archived ArticlesCarriers FacebookTwitterLinkedin S FacebookTwitterLinkedin Previous articleHelp for 3G operators to be rejected by EUNext articleChina’s CDMA handset prices dropping AnatelCarriersCDMAGSMAHandsetsoperator ABOUT AUTHOR Reily Gregson RELATED POSTS 5G Three takeaways from Ookla’s H2 2025 Connectivity Report Catherine Sbeglia Nin - February 3, 2026 Carriers AT&T beats targets, eyes 40m fiber locations, more convergence James Blackman - January 29, 2026 Carriers Operators see FWA momentum, but potential capacity limits loom Catherine Sbeglia Nin - January 15, 2026