Bandwidth Calculator
BW v1.0
100 Mbps
1
100
500
1000
5000
10000
30 dB
0
10
20
30
40
50
QPSK
2.0
0.5
2
4
6
8
10
Bandwidth
50.0 MHz
Spectral Efficiency
2.00 bps/Hz
Shannon Capacity
499.0 Mbps
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Bandwidth Usage
0
25%
50%
75%
100%
Required Bandwidth:
50.0 MHz
Available:
100 MHz
Modulation Type
QPSK
Symbol Rate
25.0 MBaud
Coding Gain
0.0 dB
Link Margin
3.0 dB
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Bandwidth Reference
Application
Bandwidth
Voice Call
~ 64 kbps
Music Streaming
~ 320 kbps
HD Video
~ 5 Mbps
4K Streaming
~ 25 Mbps
Gigabit Ethernet
1 Gbps
5G Peak
10+ Gbps
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Formula
Bandwidth = Data Rate / Spectral Efficiency
Spectral Efficiency = bits per symbol × coding rate
Shannon Capacity = B × log₂(1 + SNR)
Symbol Rate = Data Rate / Bits per Symbol
Shannon-Hartley theorem defines theoretical limit
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Bandwidth Guide
- 1 Set required data rate in Mbps
- 2 Enter SNR for link quality
- 3 Choose modulation scheme
- 4 Calculate required bandwidth