Huawei T-Mobile Sonic 4G UMG587 GSM Mobile Hotspot WiFi Wireless Router Connects Up To 5 WiFi-enabled Devices To The Internet At The Same Time Compatible Devices Include Tablets, PC's, Cameras, eReaders, and Gaming Devices MicroSD Card Slot Accommodates Up To 32GB Of Additional Memory Micro-USB Port - USB File Transfer and Mass Storage Capability Compatible Carrier T-Mobile. Sim card and Micro SD card not included.