[opendtv] Re: DVB-H first in the US
- From: "Gary Hughes" <ghughes@xxxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Mon, 20 Sep 2004 13:03:43 -0400
> [mailto:opendtv-bounce@xxxxxxxxxxxxx] On Behalf Of John Shutt
> Sent: Monday, September 20, 2004 11:56 AM
>=20
> What frequencies are used in the united States for PCM, TDMA,=20
> CDMA, and GSM=20
> digital mobile telephony?
>=20
From www.gsmworld.com...
Frequency Range=20
GSM400 450.4 - 457.6 MHz paired with 460.4 - 467.6 MHz=20
or=20
478.8 - 486 MHz paired with 488.8 - 496 MHz
=20
GSM850 824 - 849 MHz paired with 869 - 894 MHz
=20
GSM900 880 - 915 MHz paired with 925 - 960 MHz
=20
GSM1800 1710 - 1785 MHz paired with 1805 - 1880 MHz
=20
GSM1900 1850 - 1910 MHz paired with 1930 - 1990 MHz=20
In the above bands mobile stations transmit in the lower frequency
sub-band and base stations transmit in the higher frequency sub-band.
They also have frequency info for the various networks, but most US GSM
seems
to be GSM1900 with some GSM850
gary
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