Based on its CDMA (code division multiple access) digital technology, Qualcomm develops and provides innovative digital wireless communication products and services. Today, Qualcomm is actively advocating the rapid deployment of 3G networks, mobile phones and applications around the world. Headquartered in San Diego, California, U.S.A., Qualcomm's stock is a component of the S & P 500 index. Its business covers technology-leading 3G chipsets, system software and development tools and products, technology licensing, BREW application development platform, qchat, brewchatvoip solution technology, qpoint positioning solution, Eudora email software , including comprehensive wireless solutions for two-way data communication system, wireless consulting and network management services, mediaflo system and gsm1x technology, etc. Qualcomm has more than 3000 patents and patent applications for CDMA and other technologies. These standards have been generally adopted or recommended by standard setting organizations around the world. Qualcomm has licensed CDMA patents to more than 125 telecom equipment manufacturers around the world.