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Ossman Consulting Group |
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Making It Happen |
Wireless Engineering |
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· Network Design / Network Optimization Services · Interference Analysis · Post Processing Services · FCC Database / ASR Database Research · PN Planning / Frequency Planning / Microwave Clearing · Propagation Modeling / Model Tuning · In-Building Design / In-Building Monitoring · Custom M2M / Mesh Network design · Mesh Network RFID Tracking · Search Ring Generation |
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Antenna size determination |
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Unit Designation: |
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Calculator |
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C |
C |
C |
C |
D |
D |
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Link distance (miles): |
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11.00 |
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20.00 |
20.00 |
20.00 |
20.00 |
20.00 |
20.00 |
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Free space loss (dB): |
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-125.03 |
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-130.22 |
-130.22 |
-130.22 |
-130.22 |
-130.22 |
-130.22 |
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Cable and connector loss (dB): |
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-3.00 |
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-3.00 |
-3.00 |
-3.00 |
-3.00 |
-3.00 |
-3.00 |
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Antenna Gain (dB): |
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21.00 |
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24.00 |
24.00 |
27.00 |
27.00 |
24.00 |
27.00 |
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Transmit power level (dBm): |
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15.00 |
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10.00 |
16.00 |
10.00 |
16.00 |
15.00 |
15.00 |
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Calculated signal strength at far end receiver (dB): |
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-71.03 |
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-75.22 |
-69.22 |
-69.22 |
-63.22 |
-70.22 |
-64.22 |
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Receiver sensitivity (dBm): |
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-90.00 |
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-87.00 |
-85.00 |
-87.00 |
-85.00 |
-88.00 |
-88.00 |
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Fade margin (dB): |
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18.97 |
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11.78 |
15.78 |
17.78 |
21.78 |
17.78 |
23.78 |
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Conclusion: |
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unacceptable |
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unacceptable |
unacceptable |
unacceptable |
marginal |
unacceptable |
marginal |
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