小米13U国际版的频段，比Pro少不少

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13U国际版的频段

Dual SIM (nano SIM + nano SIM)

5G NR bands: n1/3/5/7/8/20/28/38/40/41/77/78/79
4G LTE FDD bands: 1/2/3/4/5/7/8/18/19/20/26/28/66
4G LTE TDD bands: 38/40/41
3G WCDMA bands：1/2/4/5/6/8/19
2G GSM bands：2/3/5/8


13 Pro 国际版的频段
Network bands:5G: Supports NSA + SA
5G: n1/n3/n5/n7/n8/n20/n28/n38/n40/n41/n66/n71/n75/n77/n78/n79
4G: LTE FDD: B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66
4G: LTE TDD: B38/39/40/41/42/48
3G: WCDMA: B1/2/4/5/6/8/19
2G: GSM: 850 900 1800 1900 MHz
Supports 4x4 MIMO*5G connectivity may vary based on region availability and local operator support.