The TRF3703-17EVM comes configured for differential I/Q input signals via four SMA connectors. There is an on board SMA connector which is used to monitor the RF output signal from the quadrature modulator. The LO signal is provided through an SMA connector as well.
Texas Instruments TRF3703-17EVM
The TRF3703-17EVM evaluation module (EVM) is intended for the evaluation of the TRF3703-17 direct-launch quadrature modulator for applications in the transmit path of base stations and communications equipment.