Security cameras are divided into digital and analog. The main difference: digital camera is fully autonomous surveillance system - camcorder is powered by a "crown", the unit is powered by 5 volt from laptop or computer.
|Advantages of digital cameras:
|Advantages of analog cameras:
| Disadvantages of digital cameras:
|Disadvantages of analog cameras:
When you connect all the wired cameras to an amplifier, they can be wireless. Range of video transmission via the radio channel in the forward direction can be up to a maximum of 3 km. But it is possible to increase range of video transmission using wires by connecting the video signal amplifier (up to 600 m). In this case, the video and camera power will be carried out by the wires.