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L-com Explains Low Loss Coax Cable
(Tuesday, October 09, 2012)
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Low Loss Coax Cable Explained
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This is part one of a two part series on coaxial cabling. Click here to see "L-com explains RG-style coax cable".
L-com explains Low Loss coax cable

The term low loss refers to a cables relative low attenuation (loss) over distance. The main difference between standard RG cable and low loss coaxial cable is the shielding. Low loss cable has far better shielding than typical RG style cable thus achieving better low loss characteristics. Additionally, low loss coaxial cables use solid center conductors which offer lower attenuation than stranded conductors that are sometimes found on RG style cables. Low loss coaxial cables are typically used in WLAN, Cellular, PCS, ISM and many other wireless applications.

The chart below outlines the typical loss/attenuation values of low loss coax cables commonly used in wireless network applications.

Chart of Low Loss style cables showing outer diameter (OD) and attenuation

Low loss cable usually starts with a 100 series style up to a 900 series style. The lower the number of the series, the smaller the diameter of the cable. Lower number series cables such as 195, etc. are used for very short pigtail connections to access points, surge protectors (in close proximity), and amplifiers. Larger series cable such as the 400 series are typically used for medium antenna cable runs and the 900 series is used for long distance applications such as base station tower installations that can be 100 feet or more off the ground. As a general rule, 100 and 195 series is good for distances under 20 feet, use 400 series cable for 20-50 feet, use 600 series cable for >50 feet.

Click here to download our Low Loss coaxial cable applications guide
to download our Low Loss coaxial cable applications guide.

L-com stocks high quality low loss coax cable assemblies as well as bulk low loss cable and 50 Ohm coaxial connectors to build your own cables.

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Finished Coaxial Cable Assemblies Search for low loss bulk cable Coaxial connectors for terminating bulk cable Coaxial stripping and crimping tools
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