LTE-TDD vs LTE-FDD

LTE 分 FDD 及 TDD 兩種

FDD: 將網路分成上傳與下載分開的兩頻, 可以同時上傳及下載

TDD: 則是透過同一頻負責下載及上傳工作, 利用時間來切分

NSA vs SA

NSA: non-standalone

SA: standalone

HK BAND

5G

N1(2100M)      # UP: 1920 – 1980,  DL: 2110 – 2170
N28 (700M)     # UP: 703 – 748,      DL: 758 – 803
N77
N78(3500M)    #
N79(4900M)

LTE-FDD(4G)

B1 (UP: 1920 - 1980,   DOWN: 2110 - 2170)    # Width: 60
B3 (UP: 1710 - 1785,   DOWN: 1805 - 1880)    # Width: 75
B5 (UP: 824 - 849,       DOWN: 869 - 894)         # Width: 75
B7 (UP: 2500 - 2570,   DOWN: 2620 - 2690)    # Width: 70
B8 (UP: 880 - 915,       DOWN:925 - 960)           # Width: 35
B28 (UP: 703 - 748,      DOWN:758 - 803)          # Width: 45

HW: ZTE MC888 Pro

Qualcomm Snapdragon X62
Wi-Fi 6 (ax)
OS: ‎?
Compatible with 5G frequencies in NSA and SA mode
5G bands N1/3/7/8/20/28/38/40/75/77/78
4G bands B1/3/7/8/20/28/32/38/40/42/43