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Install Surveillance Cameras at the Front Door. Around 34% of burglars enter through the front door, so you definitely need a security camera watching. Place your camera at second-floor level to avoid a burglar from knocking out your camera.

Most wireless cameras are technically cordless devices, meaning that though they transmit a radio signal, they still need to be plugged into a power source. Still, wireless is the commonly used industry term. Some cameras do have batteries, of course, making them truly wireless.

Electronic security system refers to any electronic equipment that could perform security operations like surveillance, access control, alarming or an intrusion control to a facility or an area which uses a power from mains and also a power backup like battery etc.

The two types of cables used for the installation of Security Cameras and Digital Video Recorders (DVRs) are Plug and Play Cables (PnP) and RG59 Coax Siamese cable. Each type of Camera Cable has positives and negatives about them which is disussed below.

A wireless security camera transmits video wirelessly from a transmitter (built into the camera) to a receiver (a DVR or monitor). However, wireless security cameras still need wires for power. Batteries cannot provide the power needed to sustain a camera and transmitter for more than a day or two.

These devices work on a simple principle. The camera contains a wireless radio (RF) transmitter. This transmitter broadcasts the camera's video, which can be picked up by a receiver, which will be connected to a monitor or recording device. Some receivers have built-in storage, while others must be connected to a DVR.