900 MHz
- Unlicensed band
2.4 GHz
- Unlicensed ISM that anybody can use.
- Other devices tend to also use this frequency like baby monitors and smart phones
- There are 11 channels at 2.4 GHz (13 in england). Channels 1,6 and 11 are non-overlapping. Don’t use overlapping channels.
- 2.4 GHz frequencies travel farther
- 2.4 GHz frequencies aren’t absorbed by devices
5 GHz
all channels not in red can be used
- Unlicensed band
- 25 non-overlapping channels.
- You can bond several channels together to read 40GHz or 80GHz, but these will limit performance
- Frequencies tend to get lost by other objects
5.8 GHz
- Unlicensed band
6 GHz
- Only available for WI-FI 6
- Can support 8 bonding channels to reach 160GHz