UTRAN vs. eUTRAN: Key Differences Every Mobile Network Pro Must Know
UTRAN is the 3G radio-access network built around NodeB and RNC nodes, while eUTRAN is its 4G evolution using flat-IP eNodeBs only; the “e” marks the shift to pure packet, no circuit core. Field teams often drop the “e” in logs or slide decks, thinking it’s just a marketing prefix. When you’re upgrading towers or…