What 4G bands does T-mobile use?

T-Mobile’s 4G LTE network uses bands 4/66 (AWS), 12, 2 (PCS), and 71 (600 mHz) . The 4G network acquired from Sprint uses bands 25, 26, and 41. For 5G, T-Mobile is using band 71 (600 MHz) for low-band, band 41 (2,500 Mhz) for mid-band, as well as faster mmWave in select downtown areas.

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Does AT&T use GSM or LTE?

The AT&T network uses GSM (Global System for Mobile Communications) technology , the world’s most popular wireless phone technology. Levels of service include: HSPA+ – When combined with enhanced backhaul, our HSPA+ technology is expected to deliver speeds up to 4x faster than ordinary mobile broadband.

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