> > Per OFCOM / ETSI device interface requirements it would be incorrect for > us to actually send that value of -33 dBm to a device.
I'd be interested in seeing the language for this. Do you have a reference I could look at? Thanks Andy Lee | Google Inc. | [email protected] | 408-230-0522 On Thu, Sep 19, 2013 at 8:30 AM, Ray Bellis <[email protected]>wrote: > > On 19 Sep 2013, at 16:21, Andy Lee <[email protected]> > wrote: > > > This actually shows that Ofcom has picked a power threshold on channel > 38 of -33 dBm. If you look at the ACLR numbers for class 3, 4, and 5 > devices, you'll see they are 10 dB apart from each other and that they all > work out to be -33 dBm on channel 38. > > > > The reason there are no limits for class 1 and 2 devices is because the > in-band power on channels 37 and 39 cannot exceed +36 dBm/8MHz, and > therefore the power on channel 38 will naturally be less than -33 dBm. > > The math bears that out, but nonetheless OFCOM are still effectively > proposing that *no* in-block transmissions are allowed in that channel. > > Per OFCOM / ETSI device interface requirements it would be incorrect for > us to actually send that value of -33 dBm to a device. > > Ray > > >
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