A boundary array electromagnetic measurement system configured to test a device under test, DUT, within a test chamber at a remote location , the system comprising: at a central location exterior to the test chamber, an emulator core configured to introduce an impairment in each of at least one of a received signal and a transmit signal to produce a digital impaired signal for each of a plurality of channels; and at the remote location interior to the test chamber, for each of a plurality of antennas in wireless communication with the DUT, at least one of: a transmitter in proximity to and in communication with an antenna , the transmitter having a digital to analog converter , configured to convert the digital impaired signal to an analog RF signal, the transmitter further having a frequency up-converter configured to up-convert the analog RF signal to be transmitted by the antenna to the DUT ; and a receiver in proximity to and in communication with the antenna , the receiver having a frequency down-converter configured to down-convert a signal received by the antenna from the DUT to an analog intermediate frequency, IF, or baseband signal, the receiver further having an analog to digital converter , configured to convert the IF or baseband signal to a received digital signal to be impaired by the emulator core to produce the impaired signal. at a central location exterior to the test chamber, an emulator core configured to introduce an impairment in each of at least one of a received signal and a transmit signal to produce a digital impaired signal for each of a plurality of channels; and at the remote location interior to the test chamber, for each of a plurality of antennas in wireless communication with the DUT, at least one of: a transmitter in proximity to and in communication with an antenna , the transmitter having a digital to analog converter , configured to convert the digital impaired signal to an analog RF signal, the transmitter further having a frequency up-converter configured to up-convert the analog RF signal to be transmitted by the antenna to the DUT ; and a receiver in proximity to and in communication with the antenna , the receiver having a frequency down-converter configured to down-convert a signal received by the antenna from the DUT to an analog intermediate frequency, IF, or baseband signal, the receiver further having an analog to digital converter , configured to convert the IF or baseband signal to a received digital signal to be impaired by the emulator core to produce the impaired signal. a transmitter in proximity to and in communication with an antenna , the transmitter having a digital to analog converter , configured to convert the digital impaired signal to an analog RF signal, the transmitter further having a frequency up-converter configured to up-convert the analog RF signal to be transmitted by the antenna to the DUT ; and a receiver in proximity to and in communication with the antenna , the receiver having a frequency down-converter configured to down-convert a signal received by the antenna from the DUT to an analog intermediate frequency, IF, or baseband signal, the receiver further having an analog to digital converter , configured to convert the IF or baseband signal to a received digital signal to be impaired by the emulator core to produce the impaired signal. <EOS>