Pr = 20 + 76 - 143.57 = -47.57 dBm
: Unité extérieure (émetteur/récepteur) qui convertit le signal en fréquences radio.
Yes, exactly. "Faisceau hertzien" (German: Richtfunk) is the French technical term for terrestrial microwave point-to-point links.
| Parameter | Description | |-----------|-------------| | | 2 GHz to 38 GHz (common bands) | | Propagation mode | Line-of-sight (LOS) | | Typical distance | 10 km to 50 km (depends on frequency, terrain, and antenna height) | | Key advantage | Low cost vs. fiber, fast deployment | | Key limitation | Sensitive to rain, fog, and obstructions |
I. Introduction to Radio Waves and Transmission