准备给笔记本配一张4G网卡，为选型作以下统计数据。
2022年各运营商频段划分
| 电信 | 联通 | 移动 | 广电 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 情况 | 频段 | 情况 | 频段 | 情况 | 频段 | 情况 | 频段 | ||
| FDD | B1 | 4G(重)/ 5G(重) |
1920-1940 2110-2130 |
3G/ 4G(重)/ 5G(锚) |
1940-1965 2130-2155 |
||||
| FDD | B2 | ||||||||
| FDD | B3 | 4G(重) | 1765-1785 1860-1880 |
2G(退)/ 4G(重)/ 5G(锚) |
1735-1765 1830-1860 |
2G(退)/ 4G(重)/ 5G(锚) |
1710-1735 1805-1830 |
||
| FDD | B4 | ||||||||
| FDD | B5 | 2G(退)/ 3G/ 4G(广) |
824-835 869-880 |
||||||
| FDD | B6 | ||||||||
| FDD | B7 | ||||||||
| FDD | B8 | 2G(退)/ IOT/ 3G/ 4G(底) |
904-915 949-960 |
2G/ IOT/ 4G(底) |
889-904 934-949 |
||||
| FDD | B9 | ||||||||
| FDD | B10 | ||||||||
| FDD | B11 | ||||||||
| FDD | B12 | ||||||||
| FDD | B13 | ||||||||
| FDD | B14 | ||||||||
| FDD | B15 | ||||||||
| FDD | B16 | ||||||||
| FDD | B17 | ||||||||
| FDD | B18 | ||||||||
| FDD | B19 | ||||||||
| FDD | B20 | ||||||||
| FDD | B21 | ||||||||
| FDD | B22 | ||||||||
| FDD | B23 | ||||||||
| FDD | B24 | ||||||||
| FDD | B25 | ||||||||
| FDD | B26 | ||||||||
| FDD | B27 | ||||||||
| FDD | B28 | 5G(底) | 703-733 758-788 |
703-733 758-788 |
|||||
| FDD | B29 | ||||||||
| FDD | B30 | ||||||||
| FDD | B31 | ||||||||
| FDD | B32 | ||||||||
| TDD | B33 | ||||||||
| TDD | B34 (A) | 3G/ 4G(补) |
2010-2025 | ||||||
| TDD | B35 | ||||||||
| TDD | B36 | ||||||||
| TDD | B37 | ||||||||
| TDD | B38 | 4G | ⊆B41 | ||||||
| TDD | B39 (F) | 4G(广)/ 5G(锚) |
1885-1915 | ||||||
| TDD | B40 (E) | 4G* | N/A | 4G(室)* | 2300-2320 | 4G(室) | 2320-2370 | ||
| TDD | B41 (D) | 4G(清) | 2635-2655 | 4G(清) | 2555-2575 | 4G(重)/ 5G(广) |
2515-2675 | ||
| TDD | B42 | ||||||||
| TDD | B43 | ||||||||
| TDD | B44 | ||||||||
| 2490-2690 | n41 | 5G(广) | 2515-2615 | ||||||
| 3300-3800 | n78 | 5G(主) | 3400-3500 | 5G(主) | 3500-3600 | ||||
| 4400-5000 | n79 | 5G (补/专) |
4800-4900 | 4900-4960 |
EM7430 对比 EM7455 频段支持差异
| EM7430 300M/50M |
EM7455 300M/50M |
|||||
|---|---|---|---|---|---|---|
| LTE | WCDMA | TD-SCDMA | LTE | WCDMA | ||
| FDD | B1 | 1920-1980 2110-2170 |
1920-1980 2110-2170 |
1920-1980 2110-2170 |
1920-1980 2110-2170 |
|
| FDD | B2 | 1850-1910 1930-1990 |
1850-1910 1930-1990 |
|||
| FDD | B3 | 1710-1785 1805-1880 |
1710-1785 1805-1880 |
1710-1785 1805-1880 |
||
| FDD | B4 | 1710-1755 2110-2155 |
1710-1755 2110-2155 |
|||
| FDD | B5 | 824-849 869-894 |
824-849 869-894 |
824-849 869-894 |
824-849 869-894 |
|
| FDD | B6 | 830-840 875-885 |
||||
| FDD | B7 | 2500-2570 2620-2690 |
2500-2570 2620-2690 |
|||
| FDD | B8 | 880-915 925-960 |
880-915 925-960 |
880-915 925-960 |
880-915 925-960 |
|
| FDD | B9 | 1749.9-1784.9 1844.9-1879.9 |
||||
| FDD | B10 | |||||
| FDD | B11 | |||||
| FDD | B12 | 699-716 729-746 |
||||
| FDD | B13 | 777-787 746-756 |
||||
| FDD | B14 | |||||
| FDD | B15 | |||||
| FDD | B16 | |||||
| FDD | B17 | |||||
| FDD | B18 | 815-830 860-875 |
||||
| FDD | B19 | 830-845 875-890 |
830-845 875-890 |
|||
| FDD | B20 | 832-862 791-821 |
||||
| FDD | B21 | 1447.9-1462.9 1495..9-1510.9 |
||||
| FDD | B22 | |||||
| FDD | B23 | |||||
| FDD | B24 | |||||
| FDD | B25 | 1850-1915 1930-1995 |
||||
| FDD | B26 | 814-849 859-894 |
||||
| FDD | B27 | |||||
| FDD | B28 | 703-748 758-803 |
||||
| FDD | B29 | N/A 717-728 |
||||
| FDD | B30 | 2305-2315 2350-2360 |
||||
| FDD | B31 | |||||
| FDD | B32 | |||||
| TDD | B33 | |||||
| TDD | B34 (A) | |||||
| TDD | B35 | |||||
| TDD | B36 | |||||
| TDD | B37 | |||||
| TDD | B38 | 2570-2620 | ||||
| TDD | B39 (F) | 1880-1920 | 1880-1920 | |||
| TDD | B40 (E) | 2300-2400 | ||||
| TDD | B41 (D) | 2490-2690 | 2490-2690 | |||
| TDD | B42 | |||||
| TDD | B43 | |||||
| TDD | B44 |