Dublin City University (DCU) request the supply, delivery, installation, commissioning and calibration of a RF, THz and Optical Test and Measurement Equipment. There are eight (8) lots in this requirement that can be used for testing RF, sub-THz, and optical communications systems. The equipment comprises relevant transmitters, receivers and sources in the RF, sub-THz, and optical domains, in addition to signal characterisation facilities. 1 Distributed Software-Defined Radio Nodes and Wideband Software-Defined Radio Platform 2 Optical IM/DD Reference Transceiver 3 Optical Multi-Format Coherent Transmitter 4 Optical Coherent Receiver 5 Electrical Pattern Generator and Bit Error Rate Test Set 6 Ultra-stable Optical Frequency Comb 7 RF Phase Noise and Signal Analyser 8 THz Transceiver (Up/Down Conversion)