Question: what is the difference between gsm cdma and wcdma?
Answer: WCDMA is Wideband CDMA that still uses code division to divide the channels. ... CDMA is a 2G technology and is a direct competitor to GSM, which is the most widely deployed technology. WCDMA is a 3G technology that is often used in tandem with GSM to provide both 2G and 3G capabilities within the same area of coverage.