On Mon, 13 Nov 2006 20:37:03 -0800, g <wh@t.me.worry> wrote in
<4559480e$0$34559$742ec2ed@news.sonic.net>:

>John Navas wrote:
>>
>> The key words there are "non-LOS". In such cases, differences vary
>> considerably from location to location, and no frequency generalization
>> is truly valid; i.e., there are cases where 1900 will work better than
>> 850 and vice versa. As in some many other things, it all depends.
>
>Yes, different environmental models are used to approximate the median
>characteristics. And on average, when a large number of measurements are
>taken, higher frequencies will incur greater attenuation.
>
>In typical environments here really is a significant, statistical and
>practical difference between the two bands.

The empirical studies I've seen are anything but conclusive.

--
Best regards, FAQ FOR CINGULAR WIRELESS:
John Navas <http://en.wikibooks.org/wiki/Cingular_Wireless_FAQ>