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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.
These brands offer only non-camera digital imaging devices, or non-consumer digital cameras: ABUS - cameras for surveillance and home security applications; AEE - action camcorders capable of taking stills; Aiptek - camcorders; Alcatel - cameraphones; Alpa - medium format cameras designed for digital backs
YI Technology, also known as Xiaoyi (Chinese: 小蚁) in Mainland China markets, is a company that manufactures cameras and computer vision technologies. [2] [3] [4] Some of the company's popular camera models include the YI 1080p Home Camera, [5] and the YI Outdoor Security Camera.
The ARGUS-IS, or the Autonomous Real-Time Ground Ubiquitous Surveillance Imaging System, is a Defense Advanced Research Projects Agency (DARPA) project contracted to BAE Systems. ARGUS is an advanced camera system that uses hundreds of cellphone cameras in a mosaic to video- and auto-track every moving object within a 15 square mile area.
Cellphone surveillance (also known as cellphone spying) may involve tracking, bugging, monitoring, eavesdropping, and recording conversations and text messages on mobile phones. [1] It also encompasses the monitoring of people's movements, which can be tracked using mobile phone signals when phones are turned on.
[104] [105] [106] In 2018, there are approximately 70 million surveillance cameras in the United States. [107] In Canada, Project SCRAM is a policing effort by the Canadian policing service Halton Regional Police Service to register and help consumers understand privacy and safety issues related to the installations of home security systems ...