Asus ZenFone 3 Ultra Dual SIM TD-LTE CN 64GB ZU680KL (Asus Mercury) vs. Apple Watch Series 8 45mm TD-LTE CN A2858 (Apple Watch 6,17) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	Asus ZenFone 3 Ultra Dual SIM TD-LTE CN 64GB ZU680KL (Asus Mercury) View device details	Apple Watch Series 8 45mm TD-LTE CN A2858 (Apple Watch 6,17) View device details
GSM 850 MHz	Yes	No
GSM 900 MHz (E-GSM)	Yes	No
GSM 1800 MHz (DCS)	Yes	No
GSM 1900 MHz (PCS)	Yes	No
UMTS B1 (2100 MHz)	Yes	Yes
UMTS B2 (1900 MHz PCS)	Yes	Yes
UMTS B4 (1700/2100 MHz AWS 1)	No	Yes
UMTS B5 (850 MHz)	Yes	Yes
UMTS B6 (850 MHz Japan)	Yes	No
UMTS B8 (900 MHz GSM)	Yes	Yes
UMTS B19 (800 MHz Japan)	Yes	No
UMTS B34 (TD 2000 MHz)	Yes	No
UMTS B39 (TD 1900 MHz +)	Yes	No
LTE B1 (2100 MHz)	Yes	Yes
LTE B2 (1900 MHz PCS)	No	Yes
LTE B3 (1800 MHz +)	Yes	Yes
LTE B4 (1700/2100 MHz AWS 1)	No	Yes
LTE B5 (850 MHz)	Yes	Yes
LTE B7 (2600 MHz)	Yes	Yes
LTE B8 (900 MHz)	Yes	Yes
LTE B18 (800 MHz Lower)	Yes	Yes
LTE B19 (800 MHz Upper)	Yes	Yes
LTE B20 (800 MHz DD)	Yes	Yes
LTE B25 (1900 MHz +)	No	Yes
LTE B26 (850 MHz +)	Yes	Yes
LTE B28 (700 MHz APT)	Yes	Yes
LTE B38 (TD 2600 MHz)	Yes	No
LTE B39 (TD 1900 MHz +)	No	Yes
LTE B40 (TD 2300 MHz)	Yes	Yes
LTE B41 (TD 2500 MHz)	Yes	Yes
LTE B66 (1700/2100 MHz)	No	Yes