As early as 1977, HP commenced production of the HP856x spectrum analyzers to complement its RF power meters and sensors able to measuring alerts in surplus of twenty GHz. HP also manufactured configurable chassis based sweep turbines effective at producing signals to 20 GHz. Other T&M solutions of enough time https://mrhp.ir/%da%a9%d8%a7%d8%b1%d8%aa-%d8%b4%d8%a8%da%a9%d9%87-hpe-broadcom-bcm57414-ethernet-10-25gb-2-port-sfp28-ocp3/