DOES THIS DEVICE NEED A SIM CARD?: Yes it does Since this device is Unlocked it will work on any GSM Network with a NANO size SIM Card The sim card does NOT come included and you will need to contact your Network Provider to acquire your complimentary Sim card (Free from most Carriers with activating of an account).
WHAT NETWORK BANDS/FREQUENCIES ARE SUPPORTED?: The Galaxy Tab E runs on the following Frequencies: HSPA/UMTS (3G/4G): 850, 1900, 2100 MHz Domestic 4G LTE: 2, 4, 5, 12, 29, 30 GHz4G LTE Roaming: 3, 7 GHz 4G. You need to set up the APN settings on the tablet to connect to your network's data prior to use if its a GSM Network other than AT&T.
8.0-inch TFT Capacitive Multi-touchscreen with WXGA (1280 x 800) resolution
Phone app will work only with AT&T, Data will work with all GSM Carriers. Android 6.1 (Marshmallow), Quad-Core 1.3 GHz Processor, 5 MP Rear Camera and 2 MP Selfy camera (1280 x 800 pixels) Internal Memory: 16GB storage, 1.5GB RAM + microSD Slot Expandable up to 64G, weighs approximately 12 oz, 5000mAh Non-Removable Battery which on standby lasts up to 117 hours as well as 13 hours of talk time.
Unlocked devices are compatible with GSM carriers ONLY. I.E. Networks that Use SIM Cards for Service like AT&T and T-Mobile, as well as select prepaid GSM SIM cards (Cricket, H20, Straight Talk, Wal-Mart Family Mobile, NET10), Unlocked Devices will not work with CDMA Carriers, The kinds that don't use sim cards for service like Sprint, Verizon, Boost or Virgin.