The main difference between GMSL cameras and CCTV cameras lies in their transmission technology and application areas:
1. Transmission technology
- GMSL cameras (Gigabit Multimedia Serial Link) use a proprietary high-speed serial connection technology, usually through coaxial cable or shielded twisted pair for data and power transmission. GMSL technology supports high-speed video data transmission and is often used in high-bandwidth demand fields such as automobiles and industrial automation.
- CCTV cameras (Closed-Circuit Television) usually use analog video signals (such as BNC interfaces) or digital signals (such as IP cameras). CCTV systems generally rely on traditional coaxial cables or Ethernet to transmit video signals, which are suitable for monitoring and security fields.
2. Application areas
- GMSL cameras are widely used in high-bandwidth application scenarios such as automotive fields (such as autonomous driving, in-vehicle entertainment systems), industrial machine vision, etc. It supports higher-resolution video streams and can transmit multiple signals, including data, power supply and control signals, through a single cable.
- CCTV cameras are mainly used in the field of security monitoring, suitable for real-time video monitoring in monitoring rooms, public areas, commercial places, etc., and are usually used in scenarios with low latency or low bandwidth requirements.

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