Pantech Breeze 4 (AT&T) WHAT NETWORK FREQUENCIES ARE SUPPORTED BY THIS DEVICE: GSM 850, 900, 1800, 1900 MHz. UMTS 850, 1900, 2100 MHz DOES THIS DEVICE NEED A SIM CARD: This device requires an AT&T Micro SIM card. SIM card is not included, though AT&T will provide one for you when you activate an account. Simply put in your AT&T Sim Card and Enjoy Display: 3.0-inches color True color display Feature: 3 Quick Call Keys for frequently used functions and contacts Feature: Easy-to-Use "Breeze" Mode for seniors and impaired individuals