The video and audio signals broadcast to the wireless receiver through the radio bands are known to be the closed-circuit cameras or wireless cameras. Only one cable is required for the wireless security cameras for power. The transmission of audio and video is known as wireless. For truly wireless security cameras they were engaged with battery. Due to the flexible options of the installation process, wireless security cameras are very much popular. And the mounting of the wireless security cameras makes the consumers use it with the lowest cost. So, the usage and then induce to use wireless internet services. There are two types of wireless cameras in use or service.

Analog wireless camera:

With the use of the radio signals the audio and video signals are transmitted in the analog wireless camera. Within three hundred feet or ninety-one meters of range, the analog signal is transmitted in the open space. The furniture, wall, door, and others will reduce the range of the analog signals. Among the three-wireless frequency of analog including, 900 MHz, 2.4 GHz, and 5.8 GHz the most of the wireless security cameras operated in 2.4 GHz.

Advantage of the analog wireless camera:

• The camera is available at affordable rates.
• We can create multiple receivers for the wireless surveillance camera network.

Disadvantages of the analog wireless camera:

• No alter is received about the signal strength.
• Other receivers may interrupt the wireless signals.
• The receiver can’t able to send a signal to the camera.

Digital wireless camera:

Over high bandwidth radio frequencies, the signals of audio and video are connected to the digital wireless camera. The digital wireless camera has a broad or wide range of frequency transmission. The digital wireless camera provides high-quality video and audio services. We can have a mutual conversation between the camera and the receiver. Through the digital signal transmission, we can switch over the lights and make it turn on or turn off. Multiple receivers can be connected to the digital wireless security camera.

Utilizes security cameras:

To monitor the activities happening in the camera situated areas we place security options in the needed places. The security cameras were used in various places to monitor the surroundings. The security cameras in the workplace use to monitor the activities of the worker and to check their critical financial transactions with the retail of the products. And also, the security cameras used in the school to avoid the deliberate action which causes more damage in the public area and also to prevent bullying. Not only for the bullying but also to record the visitors and to monitor any actions of crime. Nowadays the homeowners also like to install the security cameras to avoid the bad incidents in their homes. And also, the security camera in the home would make aware of the environmental causes and can get rid of the problems. Using the security cameras at home is a very difficult target for the criminal and they move on towards the other place. So, it will be a better choice to install closed-circuit television to avoid criminal issues and other problems which would make the home much safer.