OLPC hardware: what if there was an SDR modem / chipset?

Luke Kenneth Casson Leighton lkcl at lkcl.net
Mon Jan 25 13:07:52 EST 2010

On Mon, Jan 25, 2010 at 6:05 PM, Luke Kenneth Casson Leighton
<lkcl at lkcl.net> wrote:

>  the key questions to be asking are: in light of the massive volumes
> involved with OLPC XOs, is SDR worth pursuing, given all the
> development costs, but given all the benefits especially where SDR can
> be re-programmed to do "whatever" in bands where licensing and
> regulatory approval is _not_ required, on a per-country basis?

 bearing in mind that the particular R.F. front-end transceiver chips
i'm looking at, one can do 600mhz to 6ghz and the other can do 100mhz
to 6ghz.  there's another one which can do 80mhz to around 5ghz or so
i believe, but it's "receive only" but has far superior
signal-to-noise ratio and is accompanied by a far superior A2D-USB2


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