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Cooper Bussmann BU-245U-E Wireless Ethernet & Device Server User Manual
APPENDIX D 802.11A& TX POWER
U-NII Frequency EU & South Africa USA Australia New Zealand
Band (MHz) No DFS DFS No DFS DFS No DFS DFS No DFS DFS
1 5150-5250 200mW – 50mW 200mW – 200mW –
2 5250-5350 – 100mW – 500mW – 100mW – 100mW
3 5470-5725 – 500mW – 500mW – 250mW – 500mW
4 5725-5825 4 W 4 W 4 W
All Power levels are shown as EIRP (Effective Isotropic Radiated Power)

dB to mWatt Conversion

Watts dBm Watts dBm
10mW 10 dB 200mW 23 dB
13mW 11 dB 316mW 25 dB
16mW 12 dB 398mW 26 dB
20mW 13 dB 500mW 27 dB
25mW 14 dB 630mW 28 dB
32mW 15 dB 800mW 29 dB
40mW 16 dB 1.0 W 30 dB
50mW 17 dB 1.3 W 31 dB
63mW 18 dB 1.6 W 32 dB
79mW 19 dB 2.0 W 33 dB
100mW 20 dB 2.5 W 34 dB
126mW 21 dB 3.2 W 35 dB
158mW 22 dB 4.0 W 36 dB
3A1576Rev1.6