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2. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz. Currently, the majority of wireless security cameras operate on the 2.4 GHz frequency. Most household routers, cordless phones, video game controllers, and microwaves operate on the 2.4 GHz frequency and may cause interference with a wireless security camera.

3. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

4. Hanwha Vision - Wikipedia

   en.wikipedia.org/wiki/Hanwha_Vision

   In 2005, the company marked first place in Korean digital cameras market share and started a technical co-operation with Pentax. [5] Samsung Techwin directly entered the European and North American closed-circuit television/surveillance market in 2008 under its own name, featuring a line of true day/night cameras and digital video recorders (DVRs).

5. IP camera - Wikipedia

   en.wikipedia.org/wiki/IP_camera

   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.

6. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Surveillance cameras used in houses are IP cameras or closed circuit. IP cameras connect over the internet and stream to users’ phones using a Wi-Fi connection. Closed-circuit, or CCTV cameras, stream through wired or wireless links. [9] These cameras stream live footage to users, allowing them to watch for suspicious activity.

7. Angelina Jolie Recalls a Difficult Period in Her Life When ...

   www.aol.com/angelina-jolie-recalls-difficult...

   "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Angelina Jolie’s personal experience helped her connect to the late opera singer Maria Callas, whom ...