The Ewimar HDO-1F-PRO is a passive surge protection device for CCTV systems and AHD, HD-CVI, and HD-TVI signals. It features three levels of protection with a spark gap, gas arrester, and transil, as well as BNC connections.

• Model: HDO-1F-PRO
• Resistance: 75 Ohm
• Input: female BNC socket
• Output: cable with male BNC connector
• Transmission range: 100 MHz
• Attenuation: 0.3 dB
• Line-to-ground protection: 90V gas arrester, 2×10kA @ 8/20μs
• Line-to-line protection: 6V protection bridge, 100A @ 8/20μs
• Maximum surge voltage: 4kV
• Circuit capacitance: 5pF
• Operating temperature: -40°C to +60°C
• Dimensions: 60mm × 24mm × 24mm