1080P HD Video Balun: Full-motion CCTV video transmission over distances up to 350m-600m when used with compatible passive receiver. Supports up to 300m for 960H/1080P AHD cameras and 720P/1080P HDTVI cameras in DVR systems. Designed to last over 10,000 hours. Features six small holes and protruding points on opposite sides of the video balun, allowing multiple units to be connected together for organized cable management. Compatible with HD-CVI, HD-TVI, HD-AHD, CVBS, NTSC, PAL, and SECAM video formats. 60dB talk and noise immunity. Push-terminal channel passive HD receiver with male BNC connector enables direct connection to TVI/CVI/AHD or camera systems. Gold-plated BNC ensures high-quality signal transmission for long-distance HD applications. No power required. Supports HD-CVI, HD-TVI, HD-AHD, and CVBS signals. Up to 600m for 720P HDCVI cameras. Up to 600m for 720P CVBS cameras. Up to 300m for 960H/1080P AHD cameras. Up to 300m for 720P/1080P HDTVI cameras. NTSC, PAL, and SECAM video format support. 60dB talk and noise immunity. Compact size and easy installation. Built-in surge suppression protection. Innovative combinable design. Frequency response: DC to 80MHz. Attenuation: 0.5dB typical. Surge protection: up to 1000V maximum. Connectors: Male BNC and "Press-Fit" terminal blocks. Impedance: BNC: 75 ohms; Terminal: 100 ohms. Working temperature: -10°C to +70°C. Storage temperature: -30°C to +70°C. Humidity: 0 to 95% non-condensing. Recommended cable type: Cat5e or Cat6. Surge immunity: per ANSI/IEEE C62.41. Color: Black. Material: Metal + ABS. Size: Approximately 18cm in length. Package Contents: 4 x 1 Pair HD Video Baluns (8 pieces total) Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3cm.