GSM quad band*, Send and receive SMSStore up to 200 SMS messages on the FW200L base, messages can also be stored on the SIM card**Battery back up (long rechargeable battery life), 1000 name and number phonebook in the FW200L base,contacts can also be stored on the SIM card**2.2” black and white backlit display (128x64), Hands-free speakerphoneRinger melodies (user selectable), 20 name and number Caller ID list, 20 redial memory3G and 4G SIM cards can be used in the FW200L, but will only be compatible with 2G network capabilities