Do it yourself CCTV ?? Which DVR ? How many cameras?
If you want to do this yourself or even buy products yourself, you need to ask yourself this questions—
1. What kind of DVR?
Options- D1, CIF, 960H, HD-SDI,
2. How many frames per seconds (fps) recording
Answer– More frame rate is better, 30 fps is max on each channel
3. How many channels or video input?
Answer– It always a good idea to buy more channels then you need, they come in 4,8,9,16,24,32
4. How much storage or hard drive? what kind?
Answer- It is a good idea to buy more hard drive, because the price difference between 1 TB ,2 TB and 3 TB is not much. If it is 16.24 or 32 channel DVR install for than 1 hard drive, because if 1 fails others are still recording.
On DVR’s A/V ( audio video) drive must be used, low RPM like 5900, high RPM drives will go bad faster. Seagate and western digital both make A/V drives for recording
5. What kind of cameras ?
Answer-This depend on the individual situation, Indoor or outdoor? do you need infra red? how far you need to see in the dark ? do you need vandal proof cameras ?
6. Cables ?
Answer- Premade cables are available, wiring can also be done with cat 5 cable with baluns