Introduction

• http://www.gsmdata.com
• http://www.iridium.com
• http://www.itu.int
• http://www.ero.dk
• http://www.regtp.de
• http://www.etsi.org
• http://www.ietf.org
• http://www.ieee.org
• http://www.fcc.gov
• http://www.tkc.at

Telecommunication Systems

• http://www.ericsson.com
• http://www.nokia.com
• http://www.motorola.com
• http://www.umts-forum.org
• http://www.tetramou.com
• http://www.itu.int
• http://www.gsmworld.com
• http://www.gsmdata.com
• http://www.etsi.org
• http://www.dect.ch
• http://www.3gpp.org
• http://www.gprsworld.com
• http://www.gsassociation.org

Satellite Systems

• http://www.globalstar.com
• http://www.ico.com
• http://www.iridium.com
• http://www.teledesic.com

Broadcast Systems

• http://www.dvb.org
• http://www.worlddab.org
• http://www.etsi.org

Wireless LAN

• http://www.bluetooth.com
• http://www.ericsson.com
• http://www.ieee.org
• http://www.etsi.org
• http://www.hiperlan.com
• http://grouper.ieee.org/groups/802/11

Wireless ATM

• http://www.atmforum.com

Support for Mobility

• http://www.adobe.com
• http://www.bluesquirrel.com
• http://www.bluetooth.com
• http://www.certicom.com
• http://www.etsi-org
• http://www.ietf.org
• http://www.lotus.com
• http://www.microsoft.com
• http://www.netscape.com
• http://www.w3c.org
• http://www.wapforum.org
• http://www.phone.com
• http://www.wapmap.com
• http://www.ericsson.com
• http://www.nokia.com
• http://www.siemens.com
• http://www.alcatel.com