This table compares LTE smartwatches with various operating systems. Some LTE smartwatches can be used with Google Fi or Ting. The LG-W280 Sport can use LTE bands 2 and 4 with Google Fi/Ting, while the LG Urbane 2 W200A can use LTE band 2 with Google Fi/Ting. The LG-W200A and LG-W280A also work great on AT&T.
Ting has not yet announced general eSIM support as they battle the carriers.
|Model||CPU||LTE Band||Google Fi/Ting||Voice call||FCC ID|
|LG Sport LG-W280A||SD 2100||2,4,5,13||yes||yes||ZNFW280|
|LG-W200A Urbane 2 LTE||SD 400||2,5,13||yes||yes||ZNFW200|
|Huawei Watch 2||SD 2100||1,3,7,8,39,41||No||yes||QIS-LEO-DLXX|
|Garmin vívoactive 3 Music||SD 2100||4, 13||No||No||IPH-A3405|
|Apple Watch 3 LTE||Apple S3||2,4,5,12,13,17,18,19,25,26,41||No||yes||BCG-A1860|
|Apple Watch 4 LTE||Apple S4||2,4,5,12,13,17,18,19,25,26,41||No||yes||BCG-A2008|