Skip to content
Join the Live Open Session - Introduction to 5G, 27th October, 13:00 (UK Time). Free for Unlimited Access users | £95.00 for non-members
We’re attending MWC Barcelona 2026
From 2–5 March 2026, meet the Mpirical team and explore industry-led telecoms training. Find us in Hall 4, Stand CS300
Glossary header - telecoms antenna at height over fields

Glossary

Explore our library of thousands of telecoms terms and acronyms defined for on-the-job reference or learning new material.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Glossary Results

6 7 8 9 10 ...

E-UTRAN

Evolved - Universal Terrestrial Radio Access Network

EAP-TLS

Extensible Authentication Protocol - Transport Layer Security

EAP-TTLS

Extensible Authentication Protocol - Tunnelled Transport Layer Security

EAP/AKA Authentication

EAP/AKA Authentication

EAP/SIM Authentication

EAP/SIM Authentication

EATF

Emergency Access Transfer Function

EC-GSM-IoT

Enhanced Coverage - GSM - Internet of Things

EC-PDTCH

Extended Coverage - Packet Data Traffic Channel

ECT

Explicit Communication Transfer

eLTE eNB

Evolved LTE eNB

eMBMS Gateway

eMBMS Gateway

eMTC

enhanced Machine Type Communications

Encapsulated PDU

Encapsulated PDU

Encapsulated PDU Fragment

Encapsulated PDU Fragment

Encoder Tail Bits

Encoder Tail Bits

Encryption

Encryption

Encryption Key

Encryption Key

Enhanced Access Channel Slot

Enhanced Access Channel Slot

Enhanced Access Data Enhanced

Enhanced Access Data Enhanced

Enterprise Server

Enterprise Server

EOT

End of Transmission

ESInet

Emergency Services IP network

ETACS

Extended Total Access Communications System

ETC

Establish Temporary Connection

6 7 8 9 10 ...