phones.band
B21 — 1500 MHz Upper
B211447.9–1462.9 / 1495.9–1510.9 MHz
Frequency
| Technology | 4G / LTE |
| Band number | B21 |
| Frequency | 1447.9–1462.9 / 1495.9–1510.9 MHz |
| Duplex | FDD |
| Note | Japan |
What is a frequency band?
A frequency band is a range of the radio spectrum on which a mobile network transmits its data. Each band has a number (for example B3 or n78) and corresponds to a specific frequency in MHz.



