BBK Vivo Y21s 2021 Standard Edition Dual SIM TD-LTE AU V4 V2110 (BBK V2109) is compatible with 8 out of 9 bands on AIS (Thailand). See the tables below for details.


Frequency Bands Used by AIS (Thailand)

Select a band or interface for more details

GSM

Compatibility - 2 out of 2 bands supported
100%
Interface Name Supported by device?
GSM 900 MHz (E-GSM) Yes
GSM 1800 MHz (DCS) Yes

UMTS

Compatibility - 2 out of 2 bands supported
100%
Interface Name Supported by device?
UMTS B1 (2100 MHz) Yes
UMTS B8 (900 MHz GSM) Yes

LTE

Compatibility - 4 out of 4 bands supported
100%
Interface Name Supported by device?
LTE B1 (2100 MHz) Yes
LTE B3 (1800 MHz +) Yes
LTE B8 (900 MHz) Yes
LTE B41 (TD 2500 MHz) Yes

5G NR

Compatibility - 0 out of 1 band supported
0%
Interface Name Supported by device?
5G NR N41 (2500 MHz) No

* A matching frequency band does not guarantee coverage. There may be additional network or device software restrictions that prevent a device from connecting on a certain frequency. Additionally, certain bands may only be available regionally within a country.

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