The Agilent 11570A accessory kit allows measurements in a 50 ohm system using the high-impedance probes of the standard Agilent 85081B. The kit contains two Agilent 11536A 50 ohm tees with 50 ohm type-N connectors for monitoring signals on 50 ohm transmission lines, one Agilent 11549A 50 ohm power splitter with type-N female connectors, one Agilent 908A 50 ohm termination with type-N male connectors, and one Agilent 11512A shorting plug with type-N male connectors.