TErrestrial Trunked RAdio (TETRA) is an open digital trunked radio standard defined by the European Telecommunications Standardisation Institute (ETSI) to meet the needs of the most demanding professional mobile radio users. Today the TETRA MoU represents almost 100 organisations, from all continents of the world. Terrestrial Trunked Radio (TETRA) is a digital trunked mobile radio standard developed by the European Telecommunications Standards Institute (ETSI). The purpose of the TETRA standard was to meet the needs of traditional Professional Mobile Radio (PMR) user organisations such as those listed below.

"The source of ISO 9000 and more than 13 700 International Standards for business, government and society. A network of national standards institutes from 145 countries working in partnership with international organizations, governments, industry, business and consumer representatives. A bridge between public and private sectors. Standards are documented agreements containing technical specifications or other precise criteria to be used consistently as rules, guidelines, or definitions of characteristics, to ensure that materials, products, processes and services are fit for their purpose. For example, the format of the credit cards, phone cards, and ""smart"" cards that have become commonplace is derived from an ISO International Standard. Adhering to the standard, which defines such features as an optimal thickness (0,76 mm), means that the cards can be used worldwide. International Standards thus contribute to making life simpler, and to increasing the reliability and effectivenes.

The UWB Working Group is an evolving association of companies, individuals, governing officials and regulators whose common goal is the development and acceptance of Ultra Wideband Technology. The UWB Working Group was formed to provide a coherent forum for the dissemination and discussion of Ultra Wideband Technology issues and to Ultra Wideband Technology.

The World Trade Organization (WTO) is the only global international organization dealing with the rules of trade between nations. At its heart are the WTO agreements, negotiated and signed by the bulk of the world's trading nations and ratified in their parliaments. The goal is to help producers of goods and services, exporters, and importers conduct their business. At the heart of the system known as the multilateral trading system are the WTO's agreements, negotiated and signed by a large majority of the world's trading nations, and ratified in their parliaments. The World Trade Organization (WTO) is the only global international organization dealing with the rules of trade between nations. At its heart are the WTO agreements, negotiated and signed by the bulk of the worldâ™s trading nations and ratified in their parliaments. The goal is to help producers of goods and services, exporters, and importers conduct their business.

The World DAB Forum is an international non-governmental organisation whose objective is to promote, harmonise and co-ordinate the implementation of Digital Radio services based on the Eureka 147 DAB system.The goal of the Forum is to convert a brilliant piece of engineering achievement into a worldwide commercial marketing success, to the lasting economic and social benefit of all concerned. Over 285 million people around the world can now receive more than 585 different DAB services. Commercial DAB receivers have now been on the market since summer 1998. There are now more than 32 different DAB receivers commercially available. A receiver archive is available on this site, which exhibits the DAB car radios, hi-fi's, PC cards, and other DAB equipment that has been developed.