Synonym blocking factor.

Network-compatible software applications that facilitate shared work on information and documents.

1. Global System for Mobility,
2. Groupe Spéciale Mobile,
3. A public all-digital cellular network using TDMA techniques for multiplexing and using a transmission band around 900 MHz. GSM formerly identified the Groupe Speciale Mobile of the European Telecommunication Standards Institute (ETSI); today it is a worldwide standard. A GSM network can provide, besides telephony services, short messaging services (SMS)… (Read More →)

General Service Subscription Management

GPON Transmission Convergence layer

In computer security, a functional unit that provides a security filter between two data processing systems operating at different security levels or between a user terminal and a database to filter out data that the user is not authorized to access. [2382-pt.8]

See frequency guard band, time guard band.

A transmission frequency that is not to be jammed or interfered with because of the value of the information being derived from it.
Note: For example, a guarded frequency will not be jammed when the tactical, strategic, and technical information that can be obtained from the transmissions outweighs the potential operational gain achieved by jamming. [From Weik '89]

Graphical User Interface

Global Unique Identifier