Model Number: SGB-03 Brand Name: SIGTECH Key Specifications/Special Features: 4G LTE portable hotspot with power bank (5200mAh)Features and frequency 4G hotspot with SIM slot which has two types of 4G networks built in:1) 100Mbps DL/50Mbps UL2) TDD LTE; B38/B403) FDD LTE: B1/B2/B3/B7/B8/B204) WCDMA: B1/B2/B5/B85) GSM: Quad Band6). 5200mAh power bank: working time is more than 12-16 hours, can recharge iPhone twice.Supports 5 users on-line (it depends on the network)