Skip to content
Join the Live Open Session - Analyzing 5G Signalling with Wireshark, 24th August, 13:00 (UK Time). Free for Unlimited Access users | £95.00 for non-members
We’re attending Connected Britain 2026
From 9–10 September 2026, meet Scot to discuss telecoms training. Find us on the Hexatronic Stand J50, ExCel London.
FREE Webinar - 6G Insights: Shaping the Next Generation of Mobile Networks
Thursday 17th September 2026, 9am and 3pm UK time.
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

38 39 40 41 42 ...

FECN

Forward Explicate Congestion Notification

Femto Cell

Femto Cell

FFCH

Forward Fundamental Channel

FFT

Fast Fourier Transform

FGA

Feature Group A

FGB

Feature Group B

FH-PHY

Frequency Hopping Physical Layer

FHSS

Frequency Hopping Spread Spectrum

FI

Frame Information

FIFO

First-in First-out

FIPS

Federal Information Processing Standard

Firewall

Firewall

Firewire

Firewire

FISU

Fill In Signalling Unit

FIX

Federal Internet Exchange

Fixed Wireless Local Loop

Fixed Wireless Local Loop

Flash

Flash

Flash memory

Flash memory

Flash RAM

Flash RAM

Flash ROM

Flash ROM

Floor Chair

Floor Chair

Floor Participant

Floor Participant

Floor Release

Floor Release

38 39 40 41 42 ...