security cameras questions and answers

CCTV: Frequents Question and Answer

Q: What is the difference between the technologies? SDI, TVI, CVI, Analog, AHD and IP?


  • Analog -> Goes up to 1000 TVL
  • AHD -> Analog High Definition – 720p resolution
  • CVI/TVI -> Different Manufactures. Both are 1080p resolution.
  • SDI – Full High Definition – 1080p
  • IP -> Network cameras.

Q: What cables should I use for the cameras installation?

A: All technologies can be installed using cat5, cat6 or over coax (Siamese cable). Exception made for IP cameras that require a Cat5 or Cat6 installation.

Q: What App do I use for the DVR’s?


  • Analog DVR’s: I watch DVR
  • AHD DVR’s: I watch DVR
  • SDI DVR’s: I watch DVR
  • IP NVRS: I watch NVR
  • TVI DVR’s: For Karbontech: Super Live Pro or I watch DVR (Depending on the DVR model). For Hikvision: IVMS 4500
  • CVI DVR’s: Dahua DVR – IDMSS (Apple Cellphones) and GDMSS (Android Cellphones).

Q: What technologies allow me to watch the video on my phone?

A: All of the technologies allow you to see your cameras from your phone. You just have to download the right app for it.

Q: How can I access the demo so I can show my customers?

A: You can find the demo instructions on our website.

Q: Can I use Analog Cameras on HD DVR’s?

A: Yes, all of our DVR’s also carry Analog Cameras.

Q: Should I use IP system?

A: IP cameras require a network only for them. Otherwise they gonna reduce the system’s performance. Also, it is a more complicated technology to deal with. It requires a little bit of knowledge in Network Systems in order to make it work well.