Review Article
Free Space Optics: Current Applications and Future Challenges
Table 1
Comparison of FSO with different communication system.
| Parameters | FSO | Optical fiber | Microwave radio | Coaxial cable |
| Installation | Moderate | Difficult | Difficult | Moderate | Data rate | Gbps | Independent | Mbps | Mbps | Security | Good | Very good | Poor | Good | Connectivity | P2P, P2MP short and long reach | P2P, P2MP short and long reach | P2P short reach | Multidrop short reach | Maintenance | Low | Low | Low | Moderate | Spectrum license | Not required | Required | Required | Required |
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