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Homebrew Benefits of LMR Cable
Posted byadminshc on Tuesday, July 31 @ 01:03:21 MYT
Contributed by adminshc

Benefits of LMR Cable
Flexible: More flexible than corrugated copper cables; often eliminating the need for jumper cables. Low Cost: The most cost effective choice for antenna feeders and jumper cables. Low Loss: Loss comparable to corrugated copper cables. Weatherproof:    Black polyethylene UV protected jacket for long life. Bonded aluminum tape resists moisture ingress.


Attenuation (dB per 100 feet)   LMR1200 LMR900 LMR600 1/2”
FSJ4-50B
RFP400
LMR400
Belden
9913F7
9914 RG214
RG213
RFP240
LMR240
Belden
RG8X
LMR200 LMR195 RG58/U Frequency/Size 1.200” 0.870” 0.590” 0.520” 0.405” 0.405” 0.400” 0.405” 0.240” 0.242” 0.195” 0.195” 0.195” 30 MHz 0.209 0.288 0.421 0.561 0.7 0.8 0.8 1.2 1.3 2.0 1.8 1.8 2.5 50 MHz 0.272 0.374 0.547 0.730 0.9 1.1 1.1 1.6 1.7 2.5 2.3 2.3 3.1 150 MHz 0.481 0.658 0.964 1.29 1.5 1.7 1.7 2.8 3.0 4.7 3.9 4.0 6.2 220 MHz 0.589 0.803 1.18 1.58 1.8 2.1 2.1 3.5 3.7 6.0 4.8 4.8 7.4 450 MHz 0.864 1.17 1.72 2.32 2.7 3.1 3.1 5.2 5.3 8.6 6.9 7.0 10.6 900 MHz 1.27 1.70 2.50 3.41 3.9 4.4 4.5 8.0 7.6 12.8 9.9 9.9 16.5 1,500 MHz 1.69 2.24 3.31 4.57 5.1 6.0     9.9   12.7 12.9   Power Handling (kW; +40C; Sea Level; Continuous Duty Cycle)   LMR1200 LMR900 LMR600 1/2”
FSJ4-50B
RFP400
LMR400
Belden
9913F7
RG213 RFP240
LMR240
Belden
RG8X
LMR195 RG58/U Frequency/Size 1.200” 0.870” 0.590” 0.520” 0.405” 0.405” 0.405” 0.240” 0.242” 0.195” 0.195” 30 MHz 12.6 8.9 5.5 5.75 3.3 2.2 1.8 1.49 0.35 1.02 0.40 50 MHz 9.7 6.8 4.3 4.42 2.6 1.7 1.2 1.15 0.28 .79 0.30 150 MHz 5.5 3.9 2.4 2.49 1.5 0.90 0.62 0.66 0.15 .45 0.16 220 MHz 4.5 3.2 1.9 2.04 1.2 0.60   0.54   .37   450 MHz 3.1 2.2 1.3 1.38 0.83 0.45 0.30 0.38 0.08 .26 0.08 900 MHz 2.1 1.5 0.93 0.944 0.58 0.28 0.18 0.26 0.05 .18 0.05 1,500 MHz 1.6 1.1 0.70 0.705 0.44 0.20   0.20   .14   Velocity (%) 88 87 87   85 83 66 84 80 80 66 Low Duty Cycle Transmissions – For less than 50% duty cycle. Power rating may be doubled. General Performance Properties   LMR1200 LMR900 LMR600 RFP400
LMR400
RFP240
LMR240
LMR195 Conductor: (note 1) 0.349” 0.262” 0.176” 0.109” 0.056” 0.037” Dielectric: Cellular PE (note 2) 0.920” 0.680” 0.455” 0.285” 0.150” 0.113” Shield: Aluminum Tape (note 3) 0.926” 0.686” 0.461” 0.291” 0.155” 0.118” Shield: Tinned Copper Braid 0.972” 0.732” 0.490” 0.320” 0.178” 0.141” Jacket: Black PE (note 4) 1.200” 0.870” 0.590” 0.405” 0.240” 0.195” Bend Radius (note 5) 6.5” 3.0” 1.5” 1.0” 0.75” 0.50” Weight (lbs/foot) 0.448 0.266 0.131 0.068 0.034 0.022” Temperature Range -40° to +85°


 
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