ViewSonic ViewPad 4 vs. Oppo A31 2020 Dual SIM TD-LTE APAC CPH2015 (BBK 2015) Frequency Band Comparison
Comparison Criteria
Frequency Band Comparison
Select a band for more details
| Frequency Band |
ViewSonic ViewPad 4 View device details |
Oppo A31 2020 Dual SIM TD-LTE APAC CPH2015 (BBK 2015) View device details |
|---|---|---|
| GSM 850 MHz | Yes | No |
| 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 B8 (900 MHz GSM) | Yes | Yes |
| LTE B1 (2100 MHz) | No | Yes |
| LTE B3 (1800 MHz +) | No | Yes |
| LTE B5 (850 MHz) | No | Yes |
| LTE B8 (900 MHz) | No | Yes |
| LTE B40 (TD 2300 MHz) | No | Yes |
