How will the cellular feature of the Apple Watch Series 3 work

apple-watch

If a user goes outside with the Apple Watch Series 3 and keeps their iPhone at home, how will the calling feature work?

Best Answer

The Apple Watch Series 3 GPS + Cellular has LTE built-in. Here are the bands supported by the USA version:

LTE
2 (1900 MHz)
4 (AWS)
5 (850 MHz)
12 (700 MHz)
13 (700c MHz)
17 (700b MHz)
18 (800 MHz)
19 (800 MHz)
25 (1900 MHz)
26 (800 MHz)
41 (TD 2500)

UMTS
800 MHz
850 MHz
1700 MHz
1900 MHz

SOURCE

That same page also lists the bands for other countries.

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