Asus ZenFone 8 2021 Standard Edition Dual SIM TD-LTE AM ZS590KS 128GB (Asus S590) vs. BBK Vivo iQOO Z6 2022 5G Premium Edition Dual SIM TD-LTE IN 128GB I2127 (BBK 2127) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

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Frequency Band	Asus ZenFone 8 2021 Standard Edition Dual SIM TD-LTE AM ZS590KS 128GB (Asus S590) View device details	BBK Vivo iQOO Z6 2022 5G Premium Edition Dual SIM TD-LTE IN 128GB I2127 (BBK 2127) View device details
GSM 850 MHz	Yes	Yes
GSM 900 MHz (E-GSM)	Yes	Yes
GSM 1800 MHz (DCS)	Yes	Yes
GSM 1900 MHz (PCS)	Yes	No
UMTS B1 (2100 MHz)	Yes	Yes
UMTS B2 (1900 MHz PCS)	Yes	No
UMTS B3 (1800 MHz DCS)	Yes	No
UMTS B4 (1700/2100 MHz AWS 1)	Yes	No
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
LTE B1 (2100 MHz)	Yes	Yes
LTE B2 (1900 MHz PCS)	Yes	No
LTE B3 (1800 MHz +)	Yes	Yes
LTE B4 (1700/2100 MHz AWS 1)	Yes	No
LTE B5 (850 MHz)	Yes	Yes
LTE B7 (2600 MHz)	Yes	No
LTE B8 (900 MHz)	Yes	Yes
LTE B12 (700 MHz ac)	Yes	No
LTE B17 (700 MHz bc)	Yes	No
LTE B18 (800 MHz Lower)	Yes	No
LTE B19 (800 MHz Upper)	Yes	No
LTE B20 (800 MHz DD)	Yes	No
LTE B25 (1900 MHz +)	Yes	No
LTE B26 (850 MHz +)	Yes	No
LTE B30 (2300 MHz WCS)	Yes	No
LTE B34 (TD 2000 MHz)	Yes	No
LTE B38 (TD 2600 MHz)	Yes	Yes
LTE B39 (TD 1900 MHz +)	Yes	No
LTE B40 (TD 2300 MHz)	Yes	Yes
LTE B41 (TD 2500 MHz)	Yes	Yes
LTE B42 (TD 3500 MHz)	Yes	No
LTE B66 (1700/2100 MHz)	Yes	No
LTE B71 (600 MHz)	Yes	No
5G NR N1 (2100 MHz)	Yes	No
5G NR N2 (1900 MHz)	Yes	No
5G NR N3 (1800 MHz)	Yes	No
5G NR N5 (850 MHz)	Yes	No
5G NR N7 (2600 MHz)	Yes	No
5G NR N8 (900 MHz)	Yes	No
5G NR N12 (700 MHz)	Yes	No
5G NR N20 (800 MHz)	Yes	No
5G NR N25 (1900 MHz)	Yes	No
5G NR N38 (2600 MHz)	Yes	No
5G NR N40 (2300 MHz)	Yes	No
5G NR N66 (1700/2100 MHz)	Yes	No
5G NR N71 (600 MHz)	Yes	No
5G NR N77 (3700 MHz)	Yes	Yes
5G NR N78 (3500 MHz)	Yes	Yes