Quantifi Photonics’ new IQRX-1005 model is the world’s first commercially-available coherent receiver to enable coherent signal testing in the O-band, a new frontier for coherent optical communication. The IQRX is a high-bandwidth coherent optical receiver supporting single and dual-polarization for the measurement of coherent modulation formats such as QPSK and 64QAM, and enables optical modulation analysis such as EVM, constellation, and eye diagrams. The IQRX is also available in C/L-Band models.