Tech Glossary
What is WCDMA?
WCDMA (Wideband Code Division Multiple Access) is a technology used in mobile telephony to transmit data and calls wirelessly. The technology is mainly used in 3G networks to enable fast and efficient communication between mobiles and base stations. WCDMA technology uses a wide channel to transmit data, which makes it possible to reach high data rates and have better coverage compared to older mobile technologies. By using CDMA, a technology where multiple users share the same frequency channel by using different codes, WCDMA can enable efficient use of the frequency band and increased capacity in the network. There are several different technologies that use WCDMA as a base, including HSPA (High Speed Packet Access) and HSPA+. These technologies enable even higher data speeds and better performance for users who use mobile data to surf the Internet, watch videos or play online games. Although there are other technologies for mobile communication, such as LTE (Long Term Evolution) and 5G, WCDMA remains an important part of 3G networks around the world and is used by millions of people every day to keep in touch with friends, family and colleagues.