Wireless Reference Section
Db to mW Conversion Table
dB | mW | dB | mW | dB | mW | dB | mW | dB | mW | dB | mW |
1 | 1.3 | 6 | 4 | 11 | 13 | 16 | 40 | 21 | 126 | 26 | 398 |
2 | 1.6 | 7 | 5 | 12 | 16 | 17 | 50 | 22 | 158 | 27 | 501 |
3 | 2.0 | 8 | 6 | 13 | 20 | 18 | 63 | 23 | 200 | 28 | 630 |
4 | 2.5 | 9 | 8 | 14 | 25 | 19 | 79 | 24 | 250 | 29 | 794 |
5 | 3.2 | 10 | 10 | 15 | 30 | 20 | 100 | 25 | 316 | 30 | 1000 |
2.4 GHz Channels used by Country/Region
Country | Channels |
Europe (ETSI) | 01 - 13 |
USA (FCC) | 01 - 11 |
France | 10 - 13 |
Japan | 01 - 14 |
2.4 GHz Maximum Power Levels by Region
Country | Maximum conductive power/radiated field limit | Maximum conductive power/radiated field limit | Regulatory Body | Regulatory Document |
Europe
(Except France and Spain) |
20 dBm | 100 mW | ETSI (European Telecommunications Standards Institute) | ETS 300-328 |
USA | 30 dBm | 1000 mW | FCC | 47 CFR 15.247 |
Japan | 10 dBM | 10 mW | ARIB | STD-T66 |
2.4 GHz Channels and Frequencies
Channel | Frequency GHz |
1 | 2.412 |
2 | 2.417 |
3 | 2.422 |
4 | 2.427 |
5 | 2.432 |
6 | 2.437 |
7 | 2.442 |
8 | 2.447 |
9 | 2.452 |
10 | 2.457 |
11 | 2.462 |
12 | 2.467 |
13 | 2.472 |
14 | 2.484 |
5.8 GHz Band C Channel Centres, Channel Widths and frequencies
Centre Frequency (MHz) |
Channel Width (MHz) |
Centre Frequency (MHz) |
Channel Width (MHz) |
Centre Frequency (MHz) |
Channel Width (MHz) |
5727.5 | 5 | 5730 | 10 | 5735 | 20 |
5732.5 | 5 | 5740 | 10 | 5755 | 20 |
5737.5 | 5 | 5750 | 10 | 5775 | 20 |
5742.5 | 5 | 5760 | 10 | 5835 | 20 |
5747.5 | 5 | 5770 | 10 | ||
5752.5 | 5 | 5780 | 10 | ||
5757.5 | 5 | 5820 | 10 | ||
5762.5 | 5 | 5830 | 10 | ||
5767.5 | 5 | 5840 | 10 | ||
5772.5 | 5 | ||||
5777.5 | 5 | ||||
5782.5 | 5 | ||||
5787.5 | 5 | ||||
5792.5 | 5 | ||||
5817.5 | 5 | ||||
5822.5 | 5 | ||||
5827.5 | 5 | ||||
5832.5 | 5 | ||||
5837.5 | 5 | ||||
5842.5 | 5 | ||||
5847.5 | 5 |