Tha sim card what you using is india simcard ?
Wavecom module has quard band 900/800/1900 mhz probably 1900mhz suits in america, plz try by changing to this frequency
Tha sim card what you using is india simcard ?
Wavecom module has quard band 900/800/1900 mhz probably 1900mhz suits in america, plz try by changing to this frequency