In most markets the T-Mobile 3G / 4G network operates in the Advanced Wireless Services (AWS) 1700/2100 MHz band and/or the Personal Communications Services (PCS) 1900 MHz band using Universal Mobile Telecommunications System (UMTS) and High Speed Packet Access (HSPA) technology.
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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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