Model: B618s-65d (White) Operating Frequency: 4G): Inter-band: B1+B3, B3+B7, B7+B28 (4G): Intra-band contiguous: CA_1C,CA_3C, CA_5B,CA_7C,CA_8B, CA_40C (4G): LTE FDD 2600/2100/1800/900/850/700(B28) MHz LTE TDD 2300 MHz (3G): DC-HSPA+/HSPA+/HSUPA/HSDPA 2100/900/850 MHz (2G): [...]