4G: LTE 700 / 850 / 1700 / 1900 / 2100 - RM-893 3G: HSDPA 850 / 900 / 1700 / 1900 / 2100 - RM-910?? RM-893 2G: GSM 850 / 900 / 1800 / 1900</br>Chipset Qualcomm MSM8960 Snapdragon</br>Microsoft Windows Phone 8</br>CPU Dual-core 1.5 GHz Krait</br>Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20?? Straight Talk?? and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint?? Verizon?? Boost or Virgin.</br></br>Product Description</br></br>Charger not included.</br><br/>http://www.amazon.com/gp/product/B00CS2ZWKQ