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What is the Cable Loss for Mobile Mark Antenna’s Cables?

Cable Loss refers to the amount of Power Loss over a Cable’s Length. For example, More Power is Lost the Longer the Cable is. The correct term for Cable Loss is “Insertion Loss”. 

Cable loss is a factor to be considered in system design. The loss introduced by the cable varies with frequency. Mobile Mark has tested some of the cables that we use in our designs, and the measured results have been plotted against frequency. This gives the system designer an easy way to determine the actual loss introduced by the cable in the overall system. It is to be noted here that these results, as mentioned above, are measured results, so a more practical indication of cable performance versus frequency can be obtained from these plots. The losses are given as dB/100 ft; so the actual length of the cable in the system needs to be used to convert the value from the graph into the loss introduced by the cable in the system. Another thing to be noted is that the measurements have been performed using SMA connectors at the ends of the cable assembly.

  Loss per Foot
Common Cable Type 900 MHz 2,000 MHz 2,500 MHz 5,000 MHz
RG-174 0.32 dB 0.49 dB 0.50 dB NOT Recommended
RG-58 0.14 dB 0.21 dB 0.24 dB 0.43 dB
RF-195 0.10 dB 0.15 dB 0.17 dB 0.25 dB
LMR-240 0.07 dB 0.10 dB 0.14 dB 0.17 dB
LMR-400 0.04 dB 0.06 dB 0.07 dB 0.12 db

Cables come in various types and material. The Diameter generally effects the Antenna’s Performance. Thicker Cables have less loss ( less loss of energy), however, the longer the Cable is in Length, the increase in Cable Loss.

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Mobile Mark, Inc.
(Global HQ)
1140 W. Thorndale Ave.
Itasca, IL 60143 USA
Tel: (+1) 847-671-6690
Tel: (+1) 800-648-2800

Mobile Mark Europe, Ltd.
8 Miras Business Park, Keys Park Rd, Hednesford, Staffordshire, WS12 2FS, UK
Tel: (+44) 1543 459555

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