Compare HD Analog Technologies
HD Analog technology offers a compelling alternative to traditional analog and IP surveillance options. HD Analog video security solutions deliver megapixel resolution video over coaxial cabling (HD over coax), and are far less complex to install and operate compared to IP.

Which High Definition Over Analog Solution Is Best?
Since its introduction, several HD Analog formats have emerged, including: HD-SDI, AHD, HD-CVI and HD-TVI. While all HD Analog options offer the same basic benefits compared to analog or IP, each format features a unique set of capabilities and compatibilities.
Select technologies from dropdown you wan to compare
Technology | HD – CVI | AHD | HD – SDI | HD – TVI | |
---|---|---|---|---|---|
Max Resolution (Pixels) | 1080p 1920×1080 px | 1080p 1920×1080 px(1) | 1080p 1920×1080 px | 1080p 1920×1080 px | |
Video Output Quality (What you see) | Very good in daylight Images not as crisp in low light conditions | Good Images not as crisp Colours not as accurate | Very Good Sharp images up to 1080p Ture Colors | Very Good Sharp images up to 1080p Ture Colors | |
Twisted Pair | Coaxial Cable (RG59) | 1600’(720p) 1300’ (1080p) | 1600’ | 492’ | 1600’ |
Twisted Pair (CAT5) | 650’ | 492’ | 350’ (Digital convertor required) | 700’ | |
DVR Input Compatibility | Analog | All analog cameras, limited channels, limited configurations | All analog cameras, limited channels, limited configurations | Limited models, limited channels, limited configurations | All analog cameras, on my channel, in any configuration |
HD Analog | Like-branded HD-CVI cameras, on any channel, in any configuration | Like-branded AHD cameras, on any channel, in any configuration | Like-branded HD-SDI cameras, on any channel, in any configuration | Any HD-TVI camera, on any channel, in any configuration | |
IP | Supported IP cameras, on select channels, in select configurations | N/A | N/A | Supported IP cameras, on 2 channels, in any configuration | |
DVR Hybrid Capabilities | Limited Configurability | Limited Configurability | Limited Configurability | Yes Unlimited Configurability | |
Format Compatibility | Proprietary technology, only produced by 1 manufacturer, Dahua – out of China(2) | Open standard, limited manufacturers | Open standard, multiple manufacturers – are currently exiting the market as alternative HD formats outpace SDI | Open standard, over 100 manufacturer’s have launched or are developing solutions using TVI technology |
Analyis & Conclusions
Comparing formats across several dimensions that matter most to end users:
Resolution & Image Quality | |
![]() | |
| |
Video Transmission Distance | |
![]() | |
| |
Camera Selection & Configuration Flexibility | |
![]() | |
| |
Cost of Ownership | |
![]() | |
|