CDMA is a type of signal that transmits data using a code. CDMA is an acronym for Code Division Multiple Access, and it is a type of spread-spectrum signal. This means that the data transmitted using CDMA is divided into multiple codes, each of which can be accessed by different users. This makes CDMA very efficient in terms of bandwidth and allows for more users to access the same signal at the same time.

CDMA has been used in many different applications including cellular phone networks, military communications, and satellite systems. One advantage of CDMA over other types of signals is its resistance to interference. This makes it ideal for use in areas where there are lots of electronic devices or where there is significant environmental noise (such as from the weather).

Despite its advantages, there are some disadvantages to using CDMA signals. One issue is that they can be difficult to implement properly without specialized equipment and knowledge. Additionally, because CDMA relies on codes to transmit data if one user’s code becomes compromised then all other users on that system may also be affected.