Pairing with LabMaster 10-65Zi-A oscilloscope, 70 GHz Model IQS70 provides system bandwidth of 65 GHz, delivering solution for characterizing 56 Gbaud communications systems and enabling detection up to 130 GBaud. For lower-rate applications, 42 GHz Model IQS42 provides test platform for up to 32 Gbaud DP-16QAM or DP-QPSK when used with 36 GHz LabMaster 10-36Zi-A. Optical-LinQ software runs within oscilloscope, providing measurement and visualization of optically modulated signals.