ATM Adaptation Layer type 2

GSM Interface BTS-BSC

Admission Control

Access network means network which enables the transmission of telecommunication services between the locations from which telecommunication services are provided to end users and the network on users' premises

Adjacent Channel Interference

Adjacent Channel Interference power Ratio

ACKnowledge

Adjacent Channel Leakage Ratio

Adjacent Channel Protection

Adjacent Channel Selectivity

Air Ground Air

Automatic Gain Control

Access Grant CHannel

Acquisition Indicator

Acquisition Indicator Channel

Automatic Identification System

Access Link Control Application Part

Acknowledged Mode

Amplitude Modulation

Amateur radio communication is radiocommunication among amateur stations

Amateur radio communication in emergency situations is amateur radiocommunication, which is used when human lives or protection of property are at risk

Amateur radio license is an authorization issued to a radio amateur by the Republic Telecommunication Agency, authorizing it to work with amateur radio stations of adequate class

Amateur radio service is a radiocommunication service for the purpose of self-training, intercommunication and technical investigations carried out by amateurs, that is, by duly authorized persons interested in radio technique solely with a personal aim and without pecuniary interest

Amateur radio station means a radio station used for amateur service

Amateur radio station is radio station used within amateur or amateur-satellite service

Amateur radio station for digital communications is amateur two way radio, which automatically receives and transmits signals of other amateur stations in the same and/or other frequency band and is used for data transmission

Amateur radio station for radio goniometry is amateur transmitter exclusively intended for transmission of characteristic signals for amateur goniometry

Amateur radio station license is a license for utilization and possession of amateur radio stations

Amateur radiobeacon is an amateur transmitter of international, national, regional or local character, installed on certain location for transmission of specific signals in order to investigate radio waves propagation and other technical research

Amateur receiver is an amateur station consisting of receiver and accompanying equipment

Amateur repeater is an amateur station for primary and local coverage, which automatically receives or transmits signals of other amateur stations

Amateur repeater work is making amateur radio communications through amateur repeater stations

Amateur satellite communication is radiocommunication among amateur radio stations through amateur satellite

Amateur satellite service is a radiocommunication service using space stations on earth satellites for the same purposes as those of the amateur service

Amateur satellite service is a radiocommunication service using space stations on earth satellites for the same purposes as those of the amateur service

Amateur service is a radiocommunication service for the purpose of self-training, intercommunication and technical investigations carried out by amateurs, that is, by duly authorized persons interested in radio technique solely with a personal aim and without pecuniary interest

Amateur service is a radiocommunication service for the purpose of self-training, intercommunication and technical investigations carried out by amateurs, that is, by duly authorized persons interested in radio technique solely with a personal aim and without pecuniary interest

Amateur space radiocommunication is amateur radiocommunication, operating through amateur satellites or other bodies in the space

Amateur transmitter  is amateur station consisting of  transmitter and accompanying equipment

Adaptive Modulation and Coding

Advance Mobile Phone Service

Adaptive Multirate

American National Standards Institute

Antenna system is radio station equipment consisting of antennas, antenna ducts and accompanying parts

Access Point; Access Preamble

Access Preamble Acquisition Indicator CHannel

Application Programming Interface

Access Point Name

Appendix of the ITU Radio Regulations

Allocation Retention Priority

Automatic Repeat reQuest

Access Stratum

Active Set

Access Service Class

Active Set

Abstract Syntax Notation One

Association of amateur radio operators is an association of radio amateurs of Serbia and radio amateurs of provinces

Active Session Throughput

Active Set Update

Active Set Update Complete

Asynchronous Transfer Mode

Authentication Center

Authorization is a permit issued by the Agency to every domestic or foreign natural or legal person who intends to operate public telecommunications network or provide public telecommunications services, according to prescribed standard conditions, in accordance with the Law

Authorization holder is a person who has been granted the right of Internet service provision under the conditions laid down by the Rules on terms and conditions for Internet service provision and on contents of authorization

Authorization holder is a person to whom the authorization for radio and television programs service provision has been issued, under terms and conditions stipulated under these Rules and the law governing the telecommunications sector

Authentication Token

Automatic Vehicle Identification

Additive White Gaussian Noise

ATM Cross Connect