[MLB-WIRELESS] FYI - [fwd] Proposal to revoke the Radiocommunications Class Licence (Spread Spectrum Devices)
Marian.Szczepkowski at ericsson.com.au
Fri Oct 25 09:59:21 EST 2002
This may be a bluetooth adaptation. I think it uses hopping.
Ben Ryan wrote:
>>| Hello syd-wireless,
>>| Anyone else notice the following on the ACA website?
>>| The ACA proposes to revoke, under section 135 of the
>>| Radiocommunications Act 1992 (the Act), the Radiocommunications Class
>>| Licence (Spread Spectrum Devices).
>>| To replace it, the ACA proposes to issue, under subsection 132(1) of
>>| the Act, the Radiocommunications (Spread Spectrum Devices) Class
>>| Licence 2002.
>I think the proposal has three aims:
>*Reissue that part of the Act to make its formatting bureaucratically-compliant
>in wording and layout (no effective change here)
>*Take the current two segments of the 2.4 GHz ISM band (2400-2483.5 MHz)
> - 2400 MHz - 2463 MHz (4W EIRP Max)
> - 2463 MHz - 2483.5 MHz (0.2W EIRP Max)
> and aggregate them together (remove the 0.2W EIRP limit on the second half)
> under 4W EIRP Max.
> *The FCC Rule permits the operation of broadband frequency hopping spread spectrum
> devices in the frequency band 2400-2483.5 MHz. Those devices operate with a bandwidth
> of greater than 1 MHz and use fewer than 75 hopping frequencies. However, in order to
> ensure that existing devices are not significantly affected, the ACA proposes these broadband
> devices may only operate at a maximum EIRP limit of 500 milliwatts throughout
> the frequency band 2400-2483.5 MHz.
>^^^^^^^^^^ Does this part mean DSSS is OK but FHSS is verboten above 0.5W EIRP?
>Can someone confirm my understanding of the third part of the proposal?
>Based upon the above assumption, it seems the net effect of the changes to the
>Act simply means that now the whole 2.4 GHz ISM band is subject to 4W EIRP.
>Also, old-style FHSS equipment using a bandwidth >1 Mhz is limited to 0.5W EIRP.
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