alarm systems in houston

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01.14.2007 | 34 Comments

Field of ViewIf you choose a camera with a very wide field of view, at least 160 degrees, you can expect to see every part of the room in front of the camera. The widest field of view in our review is the D Link DCS 2630L at 180 degrees. A wide field of view, which the majority of the cameras we reviewed have, is anything larger than 80 degrees, and it works best if you mount the camera high in a corner that overlooks the room. Digital ZoomDigital zoom allows you to select part of the video and enlarge it. While this helps you get a closer look at something, the quality of a digitally enlarged video won't match that of the original. The Samsung SmartCam HD Pro has the highest digital zoom in the review at 10x.

alarm systems for small business

01.14.2007 | 16 Comments

You simply connect the camera to electricity using a 12V power adapter and mount the camera to a wall or ceiling, and you are done. If you don't have a outlet nearby you can use a 18awg 2 lead wire with a male power terminal and a female power terminal. If you've encountered difficulty with wireless camera systems where the recorder has a built in wireless receiver, then this guide is also for you. Most wireless camera kits such as the one illustrated in this article have low power receivers/transmitters and cannot be used in a home where there are more than 2 3 walls between the signal path of the camera and the receiver. The same goes for wireless cameras with mated receivers using either 2. 4GHz or 5. 8GHz analog or digital wireless signals. They are home consumer cameras and very limited in their transmission range, resolution, and other capabilities like bandwidth control which allow optimization of the video feed to reach longer distances. The camera sends video, audio, data over WiFi to the AP, then the AP sends the signal to your network router via the network cable attached to it. Once the data reaches your router it can be sent to your NVR, computer, or even be accessed over WiFi from a mobile device or laptop; the router is basically acting as another relay for sending the video signal to other devices on the network. If you use a NVR, you can even record the camera feed on it along with wired IP cameras.