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| Coax Cable Type, Size, and Loss per 100 Feet |
| Coax Type Size Loss @HF-100MHz Loss @ UHF 400Mhz RG6 Large 2.3dB 4.7dB RG59 Medium 2.9dB 5.9dB RG58U Small 4.3dB 9.4dB RG8X Medium 3.7dB 8.0dB RG8U Large 1.9dB 4.1dB RG213 Large 1.9dB 4.5dB Hardline Large,Rigid 0.5dB 1.5dB |
| The Length and frequency plays a large part when you connect your antenna to your radio. Use this chart to get the max power transfer from the radio to the antenna. Also using adapters connectors has losses. When you are putting the a connector on your coax, use the correct one. |
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