Advantages and disadvantages of IP cameras

In this hubpage I will try to explain you the advantages and disadvantages of IP cameras. Also i will share some other facts related with cameras.

• Two-way audio network cable that allows the user to communicate with what appears on the monitors. For example the station staff, customer support, warning for infringement.
• The high image resolution IP cameras have very good resolution starting from the small 640x480 pixels and can provide very high - megapixel resolution and quality of HDTV image at 30 frames per second.
• Flexibility: IP cameras can be moved anywhere in the IP network (including wireless).
• Encryption and authentication: IP security cameras offer the transmission of data through encryption and authentication methods such as WEP, WPA, WPA2, TKIP, AES.
• Remote Access: cameras can be monitored in real time from any computer anywhere in the world, and from many mobile devices including iPhone, laptops, and Windows Live Messenger.
• IP cameras are also able to work only with the wireless network. Initial configuration must be done through the router, then the camera can be used for wireless networking. These cameras are used for navigational purposes in the security business.
• PoE (Power over ethernet) - powering the Internet. Modern IP cameras can operate without additional power. They can work with PoE-protocol, which feeds them through the Internet cable.

• Higher initial price for the camera, except when using the cheaper cameras.
• Lack of standards. Various IP cameras can encode the video differently or use different programming interface, which requires a combination of camera recorder.
• High requirements for network traffic: a simple IP video surveillance camera with a resolution of 640x480 pixels and 10 frames per second (10 frame / s) in MJPEG mode requires about 3 Mbit / s.
• Technical barrier. Installation requires an IP camera network settings, IP address, DDNS, the router, for all that you should hire a special technician who is familiar with LAN or CCTV technology.
• The system becomes open to hackers via the Internet as they can cause you major problems (false bomb threats, called in hoaxers while watching the cameras.) Criminals can penetrate into the CCTV system, thereby facilitating criminal acts.

Most CCTV cameras are in open places and thus their work can be impeded easily. In the lower rows I will list the several methods on how to protect your CCTV camera.
Some people deliberately destroyed the cameras, but Chicago police have found a solution to this as they put a bullet resistant housing. When spraying the lens of the camera image begins to appear blurred, and thus we can only see shadows.

Lasers blind cameras or can even destroy them. However, since most lasers are monochromatic, the color filter of the camera can reduce the effect of laser filters lach. Although the laser may still spoil the image quality and can reduce the sensitivity of the camera. The use of infrared lasers or red, blue, green and UV lasers can make filter chamber completely black which makes it totally useless.

For wireless cameras the signal can be completely drowned out if someone start to emit a signal with the same frequency as that of the camera.