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.