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2. IP camera - Wikipedia

   en.wikipedia.org/wiki/IP_camera

   Connection. Ethernet, Wi-Fi. An Internet Protocol camera, or IP camera, is a type of digital video camera that receives control data and sends image data via an IP network. They are commonly used for surveillance, but, unlike analog closed-circuit television (CCTV) cameras, they require no local recording device, only a local area network.

3. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet. If located indoors, the range can be limited to 100 to 150 feet.

4. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   Surveillance cameras on the corner of a building. Surveillance camera in a residential community. Dome camera in Rotterdam central metro station. Closed-circuit television ( CCTV ), also known as video surveillance, [ 1][ 2] is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors.

5. Mass surveillance - Wikipedia

   en.wikipedia.org/wiki/Mass_surveillance

   v. t. e. Mass surveillance is the intricate surveillance of an entire or a substantial fraction of a population in order to monitor that group of citizens. [ 1] The surveillance is often carried out by local and federal governments or governmental organizations, but it may also be carried out by corporations (either on behalf of governments or ...

6. List of digital camera brands - Wikipedia

   en.wikipedia.org/wiki/List_of_digital_camera_brands

   Kyocera - as of 2005, only cameraphones; previously offered compact digital cameras. Largan - compact digital cameras. LG - compact digital cameras. Minolta - compact digital cameras and two unique DSLRs, acquired by Sony in early 21st century. Mamiya - medium-format cameras which accept digital camera backs.

7. Axis Communications - Wikipedia

   en.wikipedia.org/wiki/Axis_Communications

   Network Cameras – Axis Communications is a manufacturer of network cameras for a wide range of applications. Its products include pan-tilt-zoom ( PTZ) cameras, vandal-resistant cameras, thermal cameras, nitrogen-pressurized cameras, and wireless cameras. Axis launched the world's first commercially available thermal network camera in 2010 and ...