Which of the following statements about Huawei AAUs are correct?(Select All that Apply)
A.
AAUs have an operating voltage of -48 V DC.
B.
They support LTE-NR dual-mode on some frequency bands.
C.
64T64R AAUs provide higher coverage gains than 32T32R AAUs.
D.
They support GSM-NR dual-mode on some frequency bands.
The Answer Is:
A, B, C
This question includes an explanation.
Explanation:
According to the Huawei’s Latest AAU Products, Huawei’s AAUs have an operating voltage of -48 V DC and support LTE-NR dual-mode on some frequency bands, such as C-band and sub-3 GHz bands. The article also states that Huawei’s new-generation 64T64R AAUs provide higher coverage gains than conventional 32T32R AAUs by using ELAA (extremely large antenna array) technology. Huawei’s AAUs do not support GSM-NR dual-mode on any frequency band, as GSM is not a compatible RAT with NR.
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