python - Distance GSM Tower based only on Rx Level? -

i'm working on geolocalitation have problem geolocalitation triangulation.

i'm writing in python, language doesn't matter in case.

is possible know approximate distance device , cell tower using receive level db?

i can't utilize ta sim908 returns me 255, , can't utilize transmitting powerfulness of cell tower because don't have data.

is possible have distance? trilateritation, have 7 lat lon points (the 7 cell read sim908) , rxlevel.

python distance gsm trilateration sim900

Three