A Digital Enhanced Cordless Telephone (DECT) is a wireless telephone that connects to and receives signal from a base station over the distance of 100-200ft. Therefore each unit also requires a charging station to ensure there is sufficient power in the device to be used. Cordless telephones are telephone devices that use wireless communication to make and receive calls. They come in a variety of styles and features, including basic models that offer simple calling and messaging functions, and more advanced models that offer features such as digital answering systems, caller ID, call waiting, call blocking, and Bluetooth connectivity. 

Cordless telephones are particularly useful in environments where users need to move around while on a call, such as in a home or office setting. They offer increased mobility and flexibility compared to corded telephones, allowing users to move freely while on a call, and can be particularly helpful for people with mobility or accessibility issues. 

When choosing a cordless telephone, it is important to consider factors such as the range of the phone, battery life, sound quality, and additional features that may be useful to you.