RFAnalog CCTV vs. IP CCTV: Key Differences Explained
This article compares Analog CCTV and IP CCTV systems, highlighting the core differences between the two technologies.
Introduction:
CCTV (Closed-Circuit Television) systems are broadly categorized into IP CCTV and Analog CCTV. Both types enable remote viewing on smartphones, digital hard drive recording, and the production of high-quality images, up to 4K 1080p HD. The primary functions of any CCTV system are to:
- Allow viewing of video streams on smartphones and/or monitors.
- Enable video storage on a digital hard disk drive for later playback.
- Provide 4K 1080p High Definition Images.
What is Analog CCTV?
Figure 1 illustrates a typical analog CCTV system block diagram.
The central component of an analog CCTV system is the DVR (Digital Video Recorder). All other components connect to the DVR via the connections on its back panel.
A typical analog CCTV system can support up to 32 cameras. However, it offers limited smart features compared to its IP counterpart.
What is IP CCTV?
Figure 2 shows a typical IP CCTV system block diagram.
In an IP CCTV system, the core components are the NVR (Network Video Recorder) and an Ethernet switch. All other modules interface with the NVR, as shown in the following figure.
An IP CCTV system commonly supports up to 256 cameras and boasts significantly more smart features compared to analog CCTV.
Key Differences Between Analog CCTV and IP CCTV
The following table outlines the main differences between analog and IP CCTV systems:
| Parameters | Analog CCTV | IP CCTV |
|---|---|---|
| Information type | Analog signal | Digital signal |
| Major device | DVR (Digital Video Recorder) | NVR (Network Video Recorder) |
| Resolution | Upto 8MP 4K resolution | Upto 30 MP and beyond |
| Cabling | Coaxial/RG59 + power using BNC + DC connector | RJ45 Connector, power over ethernet |
| Distance (Maximum) | 50 meters | 250 meters |
| Number of cameras | Less | More |
| Scalability (Future upgradability) | Less | More |
| Smart features | Less | More |
| Cost | Cheaper | Expensive |
