The only cell phones compatible with the FSMTC system are Global System for Mobile Communications (GSM) phones, operating on a 900 Mhz-wide band. A GSM phone uses a SIM card, a chip or "smart card" that holds the user's account and mobile number.
The only cell phones compatible with the FSMTC system are Global System for Mobile Communications (GSM) phones, operating on a 900 Mhz-wide band. A GSM phone uses a SIM card, a chip or "smart card" that holds the user's account and mobile number.