samuel

If you are getting 1080P or less, you can go for BNC. You only due with one IP address, that is DVR. If you are getting more than 1080P or 2MPixel, then you can go for PoE System. In another word, one IP address for NVR, and one IP address for camera (depend on the number of IP Camera). In general, 1080P or 2MPixel is good enough for most environment. Popular Brand are as follows: * Samung ( Korea ) * HikVision (China) * Dahua (China ) * Avtech (Taiwan ) I believe you can find the above brand easily in your country. More information, you can visit http://www.cctv-singapore.net.