Asus ZenFone 4 Dual SIM TD-LTE TW-2CA ZE554KL vs. BBK vivo Y21A 2021 4G Standard Edition Dual SIM TD-LTE IN 64GB V2149 (BBK V2149) Frequency Band Comparison
Comparison Criteria
Frequency Band Comparison
Select a band for more details
| Frequency Band |
Asus ZenFone 4 Dual SIM TD-LTE TW-2CA ZE554KL View device details |
BBK vivo Y21A 2021 4G Standard Edition Dual SIM TD-LTE IN 64GB V2149 (BBK V2149) 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 | Yes |
| UMTS B1 (2100 MHz) | Yes | Yes |
| UMTS B2 (1900 MHz PCS) | Yes | No |
| UMTS B3 (1800 MHz DCS) | 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 B5 (850 MHz) | Yes | Yes |
| LTE B7 (2600 MHz) | Yes | No |
| LTE B8 (900 MHz) | Yes | Yes |
| LTE B18 (800 MHz Lower) | Yes | No |
| LTE B19 (800 MHz Upper) | Yes | No |
| LTE B28 (700 MHz APT) | 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 |
