T-Mobile REVVL 5G TD-LTE US 128GB T790W / T790Z (TCL T1B 5G) vs. BBK vivo Y21T 2021 4G Premium Edition Dual SIM TD-LTE V1 ID PK 128GB V2135 (BBK V2135) Frequency Band Comparison

Comparison Criteria

Device 1

Device 2

Frequency Band Comparison

Select a band for more details

Frequency Band	T-Mobile REVVL 5G TD-LTE US 128GB T790W / T790Z (TCL T1B 5G) View device details	BBK vivo Y21T 2021 4G Premium Edition Dual SIM TD-LTE V1 ID PK 128GB V2135 (BBK V2135) 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 B4 (1700/2100 MHz AWS 1)	Yes	No
UMTS B5 (850 MHz)	Yes	Yes
UMTS B8 (900 MHz GSM)	Yes	Yes
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)	No	Yes
LTE B7 (2600 MHz)	Yes	No
LTE B8 (900 MHz)	Yes	Yes
LTE B13 (700 MHz c)	Yes	No
LTE B20 (800 MHz DD)	Yes	No
LTE B25 (1900 MHz +)	Yes	No
LTE B26 (850 MHz +)	Yes	No
LTE B28 (700 MHz APT)	Yes	No
LTE B38 (TD 2600 MHz)	Yes	No
LTE B39 (TD 1900 MHz +)	Yes	No
LTE B40 (TD 2300 MHz)	Yes	Yes
LTE B41 (TD 2500 MHz)	Yes	No
LTE B66 (1700/2100 MHz)	Yes	No
LTE B71 (600 MHz)	Yes	No
CDMA BC0 (800 MHz)	Yes	No
CDMA BC1 (1900 MHz PCS)	Yes	No
CDMA BC10 (Secondary 800 MHz)	Yes	No
5G NR N2 (1900 MHz)	Yes	No
5G NR N25 (1900 MHz)	Yes	No
5G NR N41 (2500 MHz)	Yes	No
5G NR N66 (1700/2100 MHz)	Yes	No
5G NR N71 (600 MHz)	Yes	No