Bluetooth
Bluetooth
http://www.bluetooth.com/
GSM faq Mobile World
Mobileworld for all information on mobile phones, advice, stats, technical information, secrets, pictures, articles, beoordelingen and more. the most comprehensive site on the internet today covering gsm, cdma, amps and more!
http://www.mobileworld.org/gsm/faq.htm
Siemens
Welkom bij siemens
http://www.siemens.nl/umts/
UMTS Forum
UMTS Forum
http://www.umts-forum.org/