BBK Vivo Y21s 2021 Premium Edition Dual SIM TD-LTE VN V3 V2110 (BBK V2109) vs. LG LMX420AS K Series K40 2019 LTE-A US X420AS (LG X420) Frequency Band Comparison
Comparison Criteria
Frequency Band Comparison
Select a band for more details
| Frequency Band |
BBK Vivo Y21s 2021 Premium Edition Dual SIM TD-LTE VN V3 V2110 (BBK V2109) View device details |
LG LMX420AS K Series K40 2019 LTE-A US X420AS (LG X420) 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 | No |
| UMTS B2 (1900 MHz PCS) | No | Yes |
| UMTS B4 (1700/2100 MHz AWS 1) | No | Yes |
| UMTS B5 (850 MHz) | Yes | Yes |
| UMTS B8 (900 MHz GSM) | Yes | No |
| LTE B1 (2100 MHz) | Yes | No |
| LTE B2 (1900 MHz PCS) | No | Yes |
| LTE B3 (1800 MHz +) | Yes | No |
| LTE B4 (1700/2100 MHz AWS 1) | No | Yes |
| LTE B5 (850 MHz) | Yes | Yes |
| LTE B7 (2600 MHz) | Yes | No |
| LTE B8 (900 MHz) | Yes | No |
| LTE B12 (700 MHz ac) | No | Yes |
| LTE B14 (700 MHz PS) | No | Yes |
| LTE B20 (800 MHz DD) | Yes | No |
| LTE B29 (700 MHz de) | No | Yes |
| LTE B30 (2300 MHz WCS) | No | Yes |
| LTE B38 (TD 2600 MHz) | Yes | No |
| LTE B39 (TD 1900 MHz +) | Yes | No |
| LTE B40 (TD 2300 MHz) | Yes | No |
| LTE B41 (TD 2500 MHz) | Yes | No |
| LTE B66 (1700/2100 MHz) | No | Yes |
