10 Best Advantages of CCTV Cameras! The Edges of Cctv Cameras CCTV is the abbreviation for closed circuit television and it refers to transferring a signal to particular displays. The sets of monitors that get the signal from a CCTV camera are certain and their range is restricted. Unlike broadcast television, a CCTV security video camera doesn’t send the signal freely. The foremost usual feature of CCTV is that of being employed for security, and, hence CCTV security cameras are most likely placed in congested places or locations where security may be a should, like airports, banks, ATMs, military facilities, casinos, etc.