IP Cameras are primarily used for video surveillance and continue to outgrow older analog CCTV sales. Recently IP cameras have become a vital part of manufacturing, mining and industry due to vastly superior vision and functionality. Next generation Megapixel IP Cameras offered are often referred to as ‘intelligent’ devices. Cameras have built in file storage systems, bi directional audio, motion detection, and can be pre configured to perform an array of functions.
The main difference between analog camera & IP camera is the way in which the video signal is delivered. Analog cameras turn the video signal into a format that can be received by a television or other receiver such as DVR. An IP-based camera, also known as an IP network camera, digitizes the video signal using a specialized encoder that contains an onboard web server or video server. This allows the IP camera to act as a network device, thus allowing captured video images to be viewed not only through an existing network but also through a web browser that can be accessed through the Internet.
Both analog and IP-based video cameras can transmit signals either wirelessly or through wired connections such as Cat-5 cables. IP-based cameras have the added benefit of being able to use switches, hubs, and routers that allow the Cat-5 network to be expanded to much broader ranges.
Pros of IP cameras
Better wireless reception -- IP cameras have encryption built right into them providing for a more secure network. Interference is also not a problem with IP-based models.
Can utilize existing wiring -- Because IP-based cameras act as their own network device, you can take advantage of existing network wiring within your home or office. This can make the installation task much easier.
Remote access can be easier -- IP cameras are better suited for remote surveillance needs.