ADS Automatic Dependant Surveillance (Aeronautical)
AGA Air-Ground-Air
AIS Universal Shipborne Automatic Identification System
ALD Assistive Listening Devices
AM Amplitude Modulation
ASDE Airport Surface Detection Equipment
AVI Automatic Vehicle Identification
BMA Building Material Analysis
BWA Broadband Wireless Access
CB  Citizen’s Band Radio
CCIR Commité Consultatif International Radiocommunication
CDMA Coded Division Multiplexing Access
CEPT Conférence Européenne des Administrations des Postes et des Télécommunications
civ. civil
CRS Central Radio Station
CT Cordless Telephone
DC Duty Cycle
DCS 1800 Digital Communications System, Digital Celullar System
DECT Digital Enhanced Cordless Telecommunications
DLMS Digital Land Mobile System
DME Distance Measuring Equipment
DMO Direct Mode Operation
DRM Digital Radio Mondiale
DSC Digital Selective Calling
DSI Detailed Spectrum Investigation
DVB-T Digital Video Broadcasting - Terrestrial
ECA European Common Allocation
ECC Electronic Communications Committee
ECP European Common Proposal
E-GSM Extended Global System for Mobile Communication
e.i.r.p. Equivalent Isotropically Radiated Power
EMS European Mobile Satellite System
EN European norme 
ENG/OB Electronic News Gathering) / Outside Broadcasting
EPIRB Emergency Position Indicating Radio Beacons
ERC European Radiocommunications Committee
ERMES European Radio Messaging System
e.r.p. Effective Radiated Power
ESOMP Earth Stations On Mobile Platforms
FB Fixed Base Station
FDD Frequency Division Duplex
FM Frequency Modulation
FS Fixed Service
FSS Fixed Satellite Service
FWA Fixed Wireless Access
GBAS Ground-Based Augmentation System
GBSAR Ground Based Synthetic Aperture Radar
GMDSS Global Maritime Distress and Safety System
GMPCS Global Mobile Personal Communications System 
GPR/WPR Ground - and Wall - Probing Radar
GPS Global Positioning System
GSM Global System for Mobile Communication
GSM - R Global System for Mobile Communications on Railways
GSO Geostationary Satellite Orbit
HAPS High Altitude Platform Station
harmon. harmonised (mil. band)
HDFS  High Density Fixed Service
HEST High e. i. r. p. - Satellite Terminals
IBCN Integrated Broadband Communications Network
IFF Identification Friend or Foe
ILS Instrument Landing System
IMT International Mobile Telecommunications
INMARSAT International Maritime Satellite Organisation
ISM Industrial, Scientific and Medical
ITS Inteligent Transport Systems
ITU-R International Telecommunication Union-Radiocommunication
L Locator
LAN Local Area Network
LEST Low e. i. r. p. - Satellite Terminals
LPR Level Probing Radar
LTE Long Term Evoluation
MBANS Medical Body Area Network System
MCA Mobile Communications on Board Aircraft
MFCN Mobile/Fixed Communications Networks
mil. military
ML Mobile Land Stations
MLS Microwave Landing System
MMDS Microwave Multipoint Distribution System
MSI Maritime Safety Information
MSS Mobile Satellite Service
MVDS Multipoint Video Distribution System
MWS Multimedia Wireless System
NAVTEX Narrow-Band Direction-Printing Telegraphy System for Transmission of Navigational and Meteorological Warnings and Urgent Information to Ships 
NDB Non-directional Beacon
NGSO Non-Geostationary Satellite Orbit
NMT Nordic Mobile Telephone
OB Outside Broadcasting
(OR) Outside Routes
PAMR Public Access Mobile Radio
PPDR Public Protection and Disaster Relief
PMR Private/ Professional Mobile Radio
(R) Along Routes
RA Radio Astronomy
RFID Radio Frequency Identification 
RLAN Radio Local Area Network
RR Radio Regulations
SAB Service Ancillary to Broadcasting
SAP Service Ancillary to Programme Making
SAR Search and Rescue
SIT/SUT Satellite Interactive Terminal/ Satellite User Terminal
SNG Satellite News Gathering
S-PCS Satellite Personal Communication Service
SRD Short Range Device
SRR Short Range Radars
SSR Secondary Surveillance Radar
SUP suppressed
TACS Total Access Communications System
T-DAB Terrestrial Digital Audio Broadcasting
TDD Time Division Duplex
TETRA Terrestrial Trunked Radio
TFTS Terrestrial Flight Telecommunications System
TLPR Tank Level Probing Radar
TRA-ECS Terrestrial radio applications capable of providing electronic communications services 
TS Terminal Station
TTT Transport and Traffic Telematic
TV Television
UIC Union Internationale des Chemins de Fer
ULP-AID Ultra Low Power Animal Implant Devices
ULP-MMI Ultra Low Power Medical Membrane Implant
UWB Ultra Wide Band
VHF Very High Frequency
VLBI Very Long Baseline Interferometry
VOR VHF Omnidirectional Range
WLL Wireless Local Loop
WRC World Radiocommunication Conference