What is the max power for my card?

Jouni Malinen jkmaline
Sun Jan 19 09:30:52 PST 2003

On Sun, Jan 19, 2003 at 01:12:53AM -0800, wireless at douglasheld.net wrote:

> The documentation online for this card is unclear; I wonder if I can use
> iwconfig to query the maximum power setting?

No, Host AP driver has no way of knowing the real maximum transmit power.

> Currently, iwconfig accepts ridiculously large values, like 300mW, without
> complaint.

Everything over 20 dBm / 100 mW is interpreted as the maximum value for
the card. In other words, setting it to 300 mW or 200 mW configures the
card exactly in the same way as using 100 mW.

Jouni Malinen                                            PGP id EFC895FA

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