Combinable CCTV Passive HD-AHD/CVI/TVI Balun (VB105PH) Features Compatible with all HD-CVI, HD-TVI, HD-AHD Cameras and analog Cameras Up to 450m for 720P CVI Cameras Up to 250m for 1080P CVI Cameras Up to 250m for 720P/1080P TVI Cameras Up to 320m for 720P AHD cameras NTSC, PAL, and SECAM video formats No power required 60dB cross talk and noise immunity. Compact size and easy installation Built-in transient suppression protection Innovative combinable design Technical specifications: Combinable CCTV Passive HD-AHD/CVI/TVI Balun (VB105PH) Video FormatHD-CVI/TVI/AHD, NTSC, PAL, and SECAM Frequency ResponseDC to 60MHz Attenuation0.5dB typ CMRR60 dB Surge protection4KV ESD8KV ImpedanceCoax, Male BNC75 ohms Terminal Block100 ohms Working environmentWorking Temperature-10? to +50? Storage Temperature-30? to +70? Humidity 0 to 95% Wire TypeUTP5 UTP ConnectionTerminal blocks PowerNo power required CaseABS Plastic Dimension33mm*17mm*16mm(excluding connectors) Weight 50g/pair