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Explore the complete portfolio of Keysight accessories designed to complement and extend your instruments. Use the filters below to quickly find compatible accessories such as modules, cables, adapters, and other system components to configure, expand, and optimize your test system for your specific measurement needs.
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M9101A
M9101A is a high-density, 64-channel, 2-wire multiplexer with 500 usec switches for high speed signal routing of many different channels to a single point.
The M9101A, a high-density, 64-channel PXI multiplexer routes many different channels to a single point. The switches operate in a break-before-make mode that ensures no two points are connected at the same time or, if needed multiple channels can connect simultaneously. Ideal for routing multiple analog signals to a measurement device in automated test environment (ATE) or data acquisition systems. Each channel switches a high and a low for 2-wire switching up to 100Vrms, with up to 10W of power. Connection options include the durable connector block or the standard cable connections.
M9155C
The M9155C PXI Hybrid Dual SPDT switch module provides a 0.03 dB insertion loss repeatability, high isolation, low SWR with operating life up to 10 million cycles.
The Keysight M9155C is a dual SPDT PXI hybrid switch module, which integrates two Keysight 8765C coaxial switches. It is a 1 slot wide size module.
The M9155C operates from DC to 26.5 GHz, providing a low-cost switching solution for measurement and automation of Automatic Test Equipment (ATE) systems without compromising RF performance. It is used in applications such as ATE, RF communication and RF parametric measurements where a rugged switching module is needed for signal routing. Typical switching applications for SPDT coaxial switches include signal routing of a single input to dual instruments.
The M9155C provides an exceptional 0.03 dB insertion loss repeatability throughout a 5 million life cycle, unmatched isolation required to maintain signal integrity, and a low SWR that minimizes measurement uncertainty.

M9168C
M9168C PXI Programmable Step Attenuator Module (DC to 26.5GHz) guaranteed 0.03 dB insertion loss repeatability through the operating life of up to 5 million cycles.
The M9168C PXI programmable step attenuator module operates from DC to 26.5 GHz with a guaranteed 0.03 dB insertion loss repeatability for each section throughout the five million cycles operating life. Superior attenuation accuracy across a wide operating temperature range ensures precise measurements using a PXI hybrid platform. The M9168C PXI programmable step attenuator module enhances the measurement accuracy and flexibility of PXI-based RF and microwave test systems.
Applications
Functionality
RF performance
M9157C
M9157C PXI Hybrid Single SP6T switch module provides exceptional 0.03 dB insertion loss repeatability guaranteed throughout the 2 million cycle operating life.
Keysight M9157C is a single SP6T PXI hybrid switch module, which integrates one Keysight L7106C multiport coaxial switch. It is a 3 slot wide size module.
M9157C operates from DC to 26.5 GHz, providing a low-cost operation switching solution for measurement and automation of Automatic Test Equipment (ATE) systems without compromise in the RF performance. It is being used in applications such as ATE, RF communication and RF parametric measurements where a rugged switching module is needed for signal routing. Typical switching applications for multiport coaxial switches include signal routing to a single input to multiple instruments and routing of multiple input signals.
The M9157C provides an exceptional 0.03 dB insertion loss repeatability throughout 2 million life cycle, unmatched isolation required to maintain signal integrity, with a low SWR that minimizes measurement uncertainty.

M9156C
M9156C PXI Hybrid Dual Transfer switch module provides an exceptional 0.03 dB insertion loss repeatability, high isolation, low SWR with a long operating life.
Keysight M9156C is a dual Transfer PXI hybrid switch module, which integrates two Keysight L7222C coaxial transfer switches. It is a 2 slot wide size module.
M9156C operates from DC to 26.5 GHz, providing a low-cost operation switching solution for measurement and automation of Automatic Test Equipment (ATE) systems without compromise in the RF performance. It is being used in applications such as ATE, RF communications measurement and RF parametric measurements where a rugged switching module is needed for signal routing. Keysight M9156C transfer switches can be used in many different applications to increase system flexibility and simplify system design. For example, switch between two inputs and two outputs, or bypass an active device.
The M9156C provides an exceptional 0.03 dB insertion loss repeatability throughout 2 million life cycle, unmatched isolation required to maintain signal integrity, with a low SWR that minimizes measurement uncertainty.
M9133A
M9133A PXI Switch is a high-density 100-channel SPST general purpose switch with high-speed 350 ms switch closures, long-life reed relays.
The M9133A is a high-density, general-purpose switch with 100 independent, single-pole, single-throw (Form A) switches in a single PXI module. This module can be used to cycle power to products under test, control indicator and status lights, or actuate external power relays and solenoids. The high-speed, long-life reed relays can handle 100 Vrms and 1 A, with up to 25 W power. Choose from the durable connector block or the standard cable connections.
Software drivers support most common programming environments such as Visual Studio, C, C++, C#, Visual Basic, MATLAB, and LabVIEW. The high-quality switches ensure trustworthy measurements, and the high-speed relays increase test throughput. Installation and configuration are fast and easy using Keysight Connection Expert and soft front panels.
M9131A
M9131A is a high-density, 64-channel, single pole, double throw (SPDT) general purpose switch with durable high-speed, long life reed relays.
The M9131A is a high-density, general-purpose switch with 64 independent, single-pole, double-throw (Form C) switches in a single PXI module. This module can be used to cycle power to products under test, control indicator and status lights, or actuate external power relays and solenoids. The high-speed, long-life reed relays can handle 100 Vrms and 1 A, with up to 3 W maximum power. Choose from the durable connector block or standard cable connections.
Software drivers support most common programming environments such as Visual Studio, C, C++, C#, Visual Basic, MATLAB and LabVIEW. The high-quality switches with durable connections ensure trustworthy measurements, and high-speed reed relays help to increase test throughput. Installation and configuration are fast and easy using Keysight Connection Expert and soft front panels.
M9132A
M9132A is a high-density, general purpose switch with 50 independent, single-pole, single-throw (Form A) switches in a single PXI module.
The M9132A is a high-density, general-purpose switch with 50 independent, single-pole, single-throw (Form A) switches in a single PXI module. This module can be used to cycle power to products under test, control indicator and status lights, or actuate external power relays and solenoids. The high-speed, long-life reed relays can handle 100 Vrms and 1 A, with up to 25 W power. Choose from the durable connector block or standard cable connections.
Software drivers support most common programming environments such as Visual Studio, C, C++, C#, Visual Basic, MATLAB and LabVIEW. The high-quality switches with high-speed reed relays ensure trustworthy measurements and increased test throughput. Installation and configuration are fast and easy with Keysight Connection Expert and soft front panels.
M9130A
M9130A provides 26 independent, single-pole, double-throw (Form C) switches in a single PXI module. The armature relays handle up to 60W power.
The M9130A provides 26 independent, single-pole, double-throw (Form C) switches in a single PXI module. Use this switch to cycle power to your device under test or actuate external power relays and solenoids. The armature relays handle up to 60W power and 6A pulsed carry current. Choose from the durable connector block or standard cable connections.
M9135A
A 20-channel SPST high-power switch with 5 A, 300 W / armature switches.
The M9135A is a general-purpose switch with 20 independent, single-pole, single-throw (Form A) switches in a single PXI module. This module is ideal for switching heavy loads or power supplies including voltages mains or DC current. The heavy-duty armature relays are rated for up to 5 A and 300 W, enough for inductive or capacitive loads. Choose from the heavy-duty power connector or an unterminated power cable.
Software drivers support most common programming environments such as Visual Studio, C, C++, C#, Visual Basic, MATLAB, and LabVIEW. The high-quality power switches with durable connections ensure trustworthy measurements. Installation and configuration are fast and easy with Keysight Connection Expert and soft front panels.
M9102A
A high-density, 128-channel multiplexer with 500 usec switches for high speed signal routing of many different channels to a single point.
The M9102A, a high-density, 128-channel multiplexer routes many different channels to a single point. The switches operate in a break-before-make mode that ensures no two points are connected at the same time. This 1-wire multiplexer features high speed, long-life reed relays capable of switching up to 100Vrms, with up to 10W of power. Connection options include the durable connector block or the standard cable connections.
U3020AS26
U3020AS26 is a switch matrix that consists of two single-pole-six-throw (SP6T) switches. It switches signals without physically changing the connections.
The Keysight U3020AS26 is a switch matrix that consists of two single-pole-six-throw (SP6T) switches. It allows switching of multiple signal paths without physically changing the connections. This enables you to perform multiple tests with the same setup, eliminating frequent connects and disconnects. Automate the entire testing process to increase throughput in high-volume production environments.