Without considering the MIMO gain, which of the following description about the EIRP is correct? (Multiple Choice)

Without considering the MIMO gain, which of the following description about the EIRP is correct? (Multiple Choice)
A . In wireless communication engineering, EIRP is often used to measure the intensity of interference, and the ability of the transmitter transmitting strong signals
B . EIRP is the product of the power supplied by the radio transmitter to the antenna and the absolute gain of the antenna in a given direction
C . EIRP represents the transmit power of the AP
D . EIRP = P Transmit Power – Loss Feed Loss + G Antenna Gain

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Answer: ABD