2025-08-09 00:00:00
If using U-NII 3 bands:
- Power Spectral Density Limit around 30 dBm (500 kHz)
- 1 Watt total power output
- Channels 149 to 165; if 80 MHz then set channel to 149. If 40 MHz then 149, 157 and 165 should be preferred.
- Needs more power for obstacle traversal (hence why PSD Limit is so high)
- Great range and great performance
- Not allowed in Japan
If using U-NII 2A or 2C bands:
- Power Spectral Density Limit around 11 dBm / (1 MHz)
- 250 mW total power output
- Dynamic Frequency Selection (DFS) required
- Rarely used due to DFS interference (in use by weather and military radars also), will cause disconnects
- Channels 52 to 68 for U-NII 2A, or Channels 96 to 144 for U-NII 2C
- Poor range, poor performance if beyond the same room
- Excellent performance due to little to no interference from other APs
- Not all 5GHz-supporting devices support these bands
- Not allowed in China
- Channels 120 to 128 not allowed in Australia and Canada
- Channels 96 to 128 not allowed in Russia
- No DFS required for South Africa and the Philippines
If using U-NII 1 bands:
- Power Spectral Density Limit around 11 dBm (for Portable clients) to 17 dBm (for point to point APs)
- 250 mW total power output for clients; 1 Watt total power output for other APs
- Channels 36 to 48
- Poor range, poor performance if beyond the same room
- Significant congestion
- Best support from 5GHz-supporting devices
- Not allowed in China
- DFS required in South Africa