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Re: [wireless-regdb] wireless-regdb: Update regulatory rules for Brazil (BR)

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Em 17/08/2022 20:31, Cesar Eduardo Barros escreveu:
For range 5925-7125 MHz (article 11.7), there are different rules for APs, clients, and very low power devices. For APs (article 11.7.1), the maximum EIRP is 30 dBm (article 11.7.1.1), and it's INDOOR-ONLY (article 11.7.1.3); for clients of an indoor AP (article 11.7.2), the maximum EIRP is 24 dBm (article 11.7.2.1), and it's INDOOR-ONLY (article 11.7.2.3); for very low power devices (article 11.7.3), the maximum EIRP is 17 dBm (article 11.7.3.1).

Thinking better about it, I might have miscalculated this one. Since the smallest channel we use is 20 MHz, and the EIRP power density for clients is limited to -1 dBm/MHz (article 11.7.2.2), if I'm doing the calculations correctly the limit for clients would be 12 dBm, that is,

(5925 - 7125 @ 320), (12), NO-OUTDOOR

It's unfortunate that we cannot represent that kind of rule in db.txt, and are forced to artificially limit the power by 12 dB (the full power of 24 dBm I had calculated would work only for 320 MHz).

I would appreciate if you could look over these power density rules, especially the ones which are in dBm/MHz instead of mW/MHz, since I might have miscalculated something else.

--
Cesar Eduardo Barros
cesarb@xxxxxxxxxxxxx



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