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2.11.2. SSID and RF Concepts
The SSID is the network name that clients see when scanning for wireless networks. Multiple SSIDs can exist on the same AP, each mapped to a different VLAN.
| Term | Definition |
|---|---|
| RSSI | Received Signal Strength Indicator (higher = better) |
| SNR | Signal-to-Noise Ratio (higher = better) |
| Attenuation | Signal loss over distance or through obstacles |
| Absorption | Signal absorbed by materials (water, humans) |
| Reflection | Signal bounces off surfaces (metal, glass) |
| Multipath | Multiple signal paths cause interference |