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The current standard provides for an impedance of 75 ohms for all components of video surveillance systems; today unfortunately most of the connectors used (usually oriental imported and of low cost and quality) are designed for an impedance of 50 ohms (old standard of professional video systems). This difference creates a disturbance in the passage of the signal through the same connector, with a sure degradation of the signal itself. The visible difference between a 50 ohm and a 75 ohm BNC lies in the white dielectric that can be seen inside the head of the BNC: the 50 ohm connectors have the dielectric that comes flush with the front opening, while the connectors at 75 ohms have the dielectric recessed (see the picture aside) All our BNC models are designed with an impedance of 75 ohms (dielectric recessed) and made with the utmost attention to every detail. It is important to choose a good quality connector so as not to make the investment made on the

Established in 1997, Cnomax Pogo pin factory. is a specialized manufacturer of various Precision Part,Main research and development,production,sales: Pogo Pin,Spring Loaded Pin,Pogo pin connector,Connectors PIN,magnet charging connector, wire connector,precision automatic lathe parts,military special connector,lead-free halogen-free precision connectors and other electronic product parts. The company's business target is to be 'practical and innovative and constantly enterprising'. And our tenet is 'Supreme Quality and Excellent Service'. All products of the company production technology and raw materials are in accordance with the eu ROHS/HF(II 2015/863/EU) environmental standards, and successively passed the ISO9001, ISO14001 and TS16949 system certification!