Is Lower frequency better than Higher frequency GSM?

[conraba]

Some GSM companies use only 1900 while others use both 850/1900 or equivalent. Of course if you use more frequency band , the more users will get better reception, but is this due to the lower frequency provided by the telco?

 

[Ehalaivan]

Hello,
GSM 900-MHz and 1800-MHz bands in Europe and Asia.
GSM 850-MHz and 1900-MHz (sometimes referred to as 1.9-GHz) band in the United States. Unfortunately, the 850MHz/1900-MHz GSM phones used in the United States are not compatible with the international system.

GSM 1900 frequency spectrum is suitable for densely populated areas, while GSM 850 is suitable for rural areas with less load.

A major difference between the GSM 1900 and 850 is that the former is more costly - it requires more sites for covering roughly the same area. I beleive roughly 1.5 times more sites are needed for GSM 1900. On the other hand, 1900Mhz networks need more towers which is normally more complex and expensive for the carriers to tune properly and to deploy and maintain. Networks operating at 1900Mhz normally have less range of overall coverage, not only because of the inherent limitation buildings and other objects place on the 1900Mhz signal, but also because it is more difficult to place the extra towers needed wherever carriers want to install them. This is normally due to town regulations and residents resistance to approve tower installations. Networks on 850Mhz may overcome these restrictions by placing towers in other places where it is not a problem for residents or the town.

Ehalaivan Ehan