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Test probes and test plugs for radio-frequency tests

accurate, low-loss, high-performance

Modern radio-frequency technologies are the basis for innovations such as 5G communication, autonomous driving, and networked factories. Radio-frequency connectors are used wherever large amounts of data need to be transmitted in real time.
Among other things, they connect components relevant for safety, such as sensors and cameras to evaluation units, and ensure stable communication via mobile networks, Wi-Fi, and Bluetooth® in smartphones. The enormous variety of connectors and new transmission methods place high demands on testing technology. INGUN offers application-specific test probes and test plugs for various frequency ranges, featuring impedance-controlled design for minimal losses and maximum data rates.

Coaxial connectors are used to transmit radio-frequency signals. Their design, consisting of a central signal conductor and concentrically aligned shielding, ensures low-interference signal transmission. 

Typical applications range from connections to external components such as antennas (e.g., with SMA or SMB connectors) to internal radio-frequency connections (e.g., with MCX or MMCX connectors).

In addition, connector versions are available for specific requirements: board-to-board connectors (e.g., with MBX or SMP connectors) enable the direct connection of multiple printed circuit boards, while compact sub-miniature connectors (e.g., with U.FL or MHF4 connectors) provide a connection to internal antennas or printed circuit boards via ultra-flexible coaxial cables.


To reliably test this range of applications, INGUN offers precise contacting solutions aligned with frequency ranges, form factors, and interfaces to test systems.

Various installation options are available:

  • Press-in test probes: Quick replacement of worn probes and reduced set-up times during maintenance
  • Screw-in test probes: Secure connection even when mounted overhead or subject to vibration
  • Flange installation - rigid or with integrated floating: Compensation of position tolerances when contacting connectors on printed circuit boards.

Go to test probes

Differential data connectors form the basis for reliable transmission of digital signals. Two conductors form a data pair, which is shielded individually or collectively depending on the standard. 

Well-known examples are USB – especially Type C as the quasi-standard in mobile phones and consumer electronics – and HDMI for video transmission. In industrial applications, high-performance interfaces such as ix Industrial™ are used, for example, to network sensors, control units, and robotics systems.

To ensure that these interfaces can be tested precisely and consistently, INGUN offers application-specific connectors that guarantee maximum versatility:

  • Supplied with two plates for stacked or side-by-side installation
  • Optional floating mounts to compensate for positional tolerances of the connectors

Go to test plugs

Coaxial connectors are used to transmit radio-frequency signals. Their design, consisting of a central signal conductor and concentrically aligned shielding, ensures low-interference signal transmission. 

Typical applications range from connections to external components such as antennas (e.g., with SMA or SMB connectors) to internal radio-frequency connections (e.g., with MCX or MMCX connectors).

In addition, connector versions are available for specific requirements: board-to-board connectors (e.g., with MBX or SMP connectors) enable the direct connection of multiple printed circuit boards, while compact sub-miniature connectors (e.g., with U.FL or MHF4 connectors) provide a connection to internal antennas or printed circuit boards via ultra-flexible coaxial cables.


To reliably test this range of applications, INGUN offers precise contacting solutions aligned with frequency ranges, form factors, and interfaces to test systems.

Various installation options are available:

  • Press-in test probes: Quick replacement of worn probes and reduced set-up times during maintenance
  • Screw-in test probes: Secure connection even when mounted overhead or subject to vibration
  • Flange installation - rigid or with integrated floating: Compensation of position tolerances when contacting connectors on printed circuit boards.

Go to test probes

Differential data connectors form the basis for reliable transmission of digital signals. Two conductors form a data pair, which is shielded individually or collectively depending on the standard. 

Well-known examples are USB – especially Type C as the quasi-standard in mobile phones and consumer electronics – and HDMI for video transmission. In industrial applications, high-performance interfaces such as ix Industrial™ are used, for example, to network sensors, control units, and robotics systems.

To ensure that these interfaces can be tested precisely and consistently, INGUN offers application-specific connectors that guarantee maximum versatility:

  • Supplied with two plates for stacked or side-by-side installation
  • Optional floating mounts to compensate for positional tolerances of the connectors

Go to test plugs

How to calibrate your radio-frequency test probes?

Discover how to easily calibrate radio-frequency test probes for precise, repeatable measurement results in our free white paper.

White paper
gb 8.79 MB PDF
Whitepaper RF Calibration
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In focus: Automotive connectors

Both coaxial connectors (e.g., with FAKRA or FAKRA Mini connectors) and differential data connectors (e.g., with H-MTD®, MATEnet, or HS Autolink connectors) are used for networking electrical systems in vehicles. However, the harsh operating conditions in the automotive sector place specific demands on the connection technology:

  • Latching function - prevents accidental disconnections in applications with continuous vibrations
  • Mechanical and colour coding - safeguards against incorrect connections when using multiple connectors of the same type
  • Water-tight and air-tight versions - specially developed for use in outdoor environments such as the engine compartment

To meet these requirements, INGUN offers ideally-suited contacting solutions with integrated float and pre-centring features. The plastic housing of the connector serves as a mechanical guide and reliably compensates for positional tolerances, ideal in combination with test fixtures.

For coaxial connectors

For data connectors

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Floating

Learn how to compensate for positional errors when testing connectors and ensure repeatable contact.

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Successful 5G testing in the automotive industry

In our webinar, you will learn how to overcome specific testing challenges associated with modern 5G applications in vehicles, from secure signal transmission to reliable integration into complex vehicle electrical systems.

Watch webinar now

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