Meff is describing the method to get the Signal Strength. I assume you are looking for information as to what Band/Frequency the network supports in a specific area?
The Bands supported depend on the base station equipment employed by the network. Most base stations will support multiple bands and your phone will attempt all the bands supported by the phone until it finds a match.
Because GSM cells overlap you may have multiple cells providing different band access at any particular location.
The only way to know for certain is to either test or consult with the Network Operator.
Since the Bands are licenced to specific operators it should be easy to determine what the major frequency band supported by a particular Network Operator is.
I would suggest looking at advertisements on the Operator Website / local press to see wat bands the phones they promote support as a first step and calling the Network Operator Customer Care as second option.
This website provides details of the Bands supported by operators in a number of Countries.
http://www.gsmworld.com/ro
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by: MeffPosted on 2008-01-09 at 23:03:03ID: 20625451
By using of the AT command AT+CSQ.
+C = Cellular command
SQ = Signal Quality
The GSM modems listed at www.roundsolutions.com support a special AT command AT#Moni
# = means special non standard ETSI command
MONI = Monitor
The monitor mode gives you the signal quality like with AT+CSQ but other parameters like power level and neighbour cells as well. As more neighbour cells you have as higher is the chance to get a new cell by an hand over by moving in a car. The maximum in the list is 7. The real number of cells you get by using of the "Easy Scan feature". The AT command lists are listed here:
http://www.roundsolutions.
Please feel free to search for "Easy Scan". It shows you the number of cells of your supporting GSM operator and the number of cells and channel numbers of the other GSM operators in the area.
Regards
Meff
www.gsm-modem.de