Nokia Lumia 1520 RM-937 - White GSM-Unlocked Cell-Phone

Form Factor: Smart Phones Wireless Radio: GSM 850 / 900 / 1800 / 1900 MHz UMTS 850 / 900 / 1900 / 2100 MHz Compatible Carrier & Service: AT&T 2G/3G - Fido Wi-Fi Support: Wi-Fi 802.11 a/b/g/n/ac - dual-band - Wi-Fi hotspot Data transfer: GPRS - Wi-Fi GPS Integrated: A-GPS support and GLONASS Audio: MP3 - WAV ringtones MP3/WMA/WAV/eAAC+ player Message: SMS (threaded view         General 2G Network GSM 850 / 900 / 1800 / 1900 - all versions 3G Network HSDPA 850 / 900 / 1900 / 2100 - RM-937, RM-939, RM-940   HSDPA 850 / 900 / 1700 / 1900 / 2100 - RM-938 4G Network LTE 800 / 900 / 1800 / 2100 / 2600 - RM-937   LTE 700 / 850 / 1700 / 1900 / 2100 / 2600 - RM-938, RM-940 SIM Nano-SIM