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Premium Microwave Cables and Adapters


  • Flexible, Low-Loss, High-Frequency Microwave Cables
  • SMP, SMA, 2.92 mm, and 2.4 mm Cables and Adapters
  • Options for Frequencies up to 50 GHz

SMM12

SMA Male Cable

KMM24

2.92 mm Male Cable

KMF

2.92 mm M-to-F Adapter

TMKM4

2.92 mm Male-to-2.4 mm Male Adapter Cable

SFGF6

SMA Female-to-SMP Female Adapter Cable

TMM

2.4 mm M-to-M Adapter

TFKM

2.4 mm Female to
2.92 mm Male Adapter

Related Items


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Microwave Cable Connectors
Click to Enlarge

Offered Connector Types
Coaxial Connector Wrench
Click to Enlarge

A torque wrench with a preset torque value should always be used to mate these coaxial connectors. Not doing so can damage the cable or reduce its overall performance. Wrenches for use with SMA or 2.92 mm and 2.4 mm connectors are available below.

Features

  • Flexible Microwave Cables, Adapter Cables, and Adapters
  • Broad Frequency Ranges:
    • SMP: DC - 18 GHz
    • SMA: DC - 26 GHz
    • 2.92 mm: DC - 40 GHz
    • 2.4 mm: DC - 50 GHz
  • Cables Available with SMA, 2.92 mm, 2.4 mm, or SMP (GPO® Compatible) Connectors
  • Adapter Cables for SMA to SMP or 2.4 mm to 2.92 mm
  • Adapters for 2.4 mm, 2.92 mm, or 2.4 mm to 2.92 mm
  • Low Insertion Loss and VSWR (See Specs Tab)
  • Preset Torque Wrenches Ensure Proper Mating Torque is Supplied

Thorlabs' Microwave Cables and Adapter Cables are flexible, high-performance, coaxial cable assemblies designed for use out to 50 GHz, depending on connector type (see the image to the right). The design gives these cables flexibility while maintaining optimal performance. They exhibit low VSWRs (Voltage Standing Wave Ratios) over the usable frequency range, as well as low insertion losses (see the Specs tab). These cables are each tested to ensure performance.

The frequency range and connector types supported by these cables and adapter cables are well suited for use with our High-Speed, Fiber-Coupled Electro-Optic (EO) Modulators.

Microwave Cable Connectors
Click to Enlarge

Each cable is labeled with its item number for identification.

Microwave Cables
We offer four styles of microwave cables: SMP, SMA, 2.92 mm, and 2.4 mm. The SMP style cables are female-to-female cables and are offered in 3" and 6" lengths. The SMA, 2.92 mm, and 2.4 mm styles are male-to-male cables and are offered in several different lengths.

Microwave Adapter Cables
Thorlabs’ adapter cables are designed to mate different connector types. We offer SMA-to-SMP adapter cables with SMA female or male connectors on one end and SMP female connectors on the other. Additionally, we offer 2.4 mm-to-2.92 mm adapter cables for all combinations of male/female connectors.

Microwave Adapters
These microwave cable adapters are designed to change the gender or connector type of microwave cables and connectors. They include in-series adapters for 2.92 mm and 2.4 mm, as well as between-series adapters for all gender combinations of 2.92 mm and 2.4 mm cables.

SMA connectors can mate directly with 2.92 mm connectors, thus no adapter is required. It should be noted, however, that whenever mating two connector types, the connector with the lowest bandwidth will determine the usable frequency range. For more information, see the Compatibility tab.

Preset Torque Wrenches
Preset torque wrenches provide a preset torque value to ensure that the proper amount of torque is supplied when mating two microwave cables or adapters. The TQW5A is set to provide 5 in-lbs of torque, which is ideal for most SMA connectors, while the TQW8A is set to provide 8 in-lbs of torque, which is ideal for 2.92 mm and 2.4 mm connectors. A torque wrench should always be used to mate these coaxial connectors. Not doing so can damage the cable or reduce its overall performance.

Microwave Cables

Item # Maximum Insertion Loss Length
SMA Male to SMA Male
SMM3 0.9 dB 76 mm (3.00")
SMM6 1.3 dB 152 mm (6.00")
SMM12 2.0 dB 305 mm (12.00")
SMM24 3.5 dB 610 mm (24.00")
SMM36 4.9 dB 914 mm (36.00")
SMM72 9.5 dB 1829 mm (72.00")
SMM120 15.3 dB 3048 mm (120.00")
2.92 mm Male to 2.92 mm Male
KMM4 0.9 dB 102 mm (4.00")
KMM8 1.1 dB 203 mm (8.00")
KMM12 1.6 dB 305 mm (12.00")
KMM24 2.6 dB 610 mm (24.00")
KMM36 3.6 dB 914 mm (36.00")
KMM72 6.5 dB 1829 mm (72.00")
2.4 mm Male to 2.4 mm Male
TMM4 1.1 dB 102 mm (4.00")
TMM8 1.4 dB 203 mm (8.00")
TMM12 1.8 dB 305 mm (12.00")
TMM24 3.1 dB 610 mm (24.00")
TMM36 4.1 dB 914 mm (36.00")
SMP Female to SMP Female
GFF3 1.2 dB 76 mm (3.00")
GFF6 1.5 dB 152 mm (6.00")
Common Specifications
Connector Type SMA Male to SMA Male 2.92 mm Male to
2.92 mm Male
2.4 mm Male to
2.4 mm Male
SMP Female to
SMP Female
Item #s SMM3, SMM6,
SMM12, SMM24,
SMM36
SMM72,
SMM120
KMM4, KMM8,
KMM12, KMM24,
KMM36, KMM72
TMM4, TMM8,
TMM12, TMM24,
TMM36
GFF3, GFF6
Frequency Range DC - 26 GHz DC - 40 GHz DC - 50 GHz DC - 18 GHz
Outer Cable Diameter 2.6 mm 3.6 mm 3.6 mm 2.64 mm
Center Conductor (Solid) Ø0.5 mm Ø0.72 mm Ø0.72 mm Ø0.51 mm
Impedance 50 Ω
Withstand Voltage 1500 VDC 1000 VDC 1000 VDC 1000 VDC 1500 VDC
Minimum Bend Radius 6.4 mm 14 mm 36 mm 36 mm 6.4 mm
Capacitance 96 pF/m 87 pF/m 87 pF/m 96 pF/m
Maximum Average Power 31 W @ 10 GHz 28 W @ 10 GHz 127 W @ 10 GHz 127 W @ 10 GHz 31 W @ 10 GHz
Maximum VSWRa 1.3 @ 18 GHz
1.7 @ 26 GHz
1.45 @ 40 GHz 1.45 @ 40 GHz 1.4 @ 18 GHz
Propagation Velocity 69.5% 74% 74% 69.5%
Coupling Nut Hex Size 5/16"
Recommended
Coupling Torque
5 in•lb (0.56 N•m) 8 in•lb (0.9 N•m) 8 in•lb (0.9 N•m) 5 in•lb (0.56 N•m)
  • Voltage Standing Wave Ratio

 

Microwave Adapter Cables

Common Specifications
Connector Type SMA Male to
SMP Female 
SMA Female to
SMP Female
2.4 mm Male to
2.92 mm Male
2.4 mm Male to
2.92 mm Female
2.4 mm Female to
2.92 mm Male
2.4 mm Female to
2.92 mm Female
Item #s SMFG3 and
SMGF6
SFGF3 and
SFGF6
TMKM4 TMKF4 TFKM4 TFKF4
Frequency Range DC - 18 GHz DC - 40 GHz
Outer Cable
Diameter
2.64 mm 3.60 mm
Center Conductor
(Solid)
Ø0.51 mm Ø0.72 mm
Impedance 50 Ω
Withstand Voltage 1500 VDC 1000 VDC
Minimum Bend
Radius
6.4 mm 36 mm
Capacitance 96 pF/m 87 pF/m
Max Average
Power
31 W @ 10 GHz 127 W @ 10 GHz
Maximum VSWRa 1.4 @ 18 GHz 1.45 @ 40 GHz
Propagation
Velocity
69.5% 74%
Coupling Nut
Hex Size
5/16"
Recommended
Coupling Torque
5 in•lb (0.56 N•m) 8 in•lb (0.9 N•m)
  • Voltage Standing Wave Ratio
Item # Maximum
Insertion Loss
Length
SMA Male to SMP Female
SMGF3 1.0 dB 76 mm (3.00")
SMGF6 1.2 dB 152 mm (6.00")
SMA Female to SMP Female
SFGF3 1.0 dB 76 mm (3.00")
SFGF6 1.2 dB 152 mm (6.00")
2.4 mm Male to 2.92 mm Male
TMKM4 1.0 dB 102 mm (4.00")
2.4 mm Male to 2.92 mm Female
TMKF4 1.0 dB 102 mm (4.00")
2.4 mm Female to 2.92 mm Male
TFKM4 1.0 dB 102 mm (4.00")
2.4 mm Female to 2.92 mm Female
TFKF4 1.0 dB 102 mm (4.00")

 

Microwave Cable Adapters

Specifications
Item # Connector Type VSWR Length Frequency Range
KFF 2.92 mm F-F 1.2 19.00 mm DC - 40 GHz
KMF 2.92 mm M-F 20.10 mm
KMM 2.92 mm M-M 21.20 mm
TFF 2.4 mm F-F 19.10 mm DC - 50 GHz
TMF 2.4 mm M-F 18.15 mm
TMM 2.4 mm M-M 17.20 mm
TFKF 2.4 mm F - 2.92 mm F 20.40 mm DC - 40 GHz
TFKM 2.4 mm F - 2.92 mm M 21.50 mm
TMKF 2.4 mm M - 2.92 mm F 1.25 19.45 mm
TMKM 2.4 mm M - 2.92 mm M 20.55 mm
Common Specifications
Impedance 50 Ω
Durability 500 Connection Cycles
Material Stainless Steel (303)
Conductor Gold-Plated Brass (M) or
Gold-Plated BeCu (F)
Coupling Torque 8 in-lbs (0.9 N-m)
Coupling Nut Hex Size 5/16"
Microwave Cable Connectors
Click to Enlarge

The graph above shows the insertion loss for SMP-to-SMP Microwave Cables. The shaded region denotes the specified operating frequency range of these cables. Ripples in the insertion loss are a function of the cable length and a normal result of reflections between the ends of the cables. Shorter cables show a greater effect.
Microwave Cable Connectors
Click to Enlarge

The graph above shows the insertion loss for SMA-to-SMA Microwave Cables. The shaded region denotes the specified operating frequency range of these cables. Ripples in the insertion loss are a function of the cable length and a normal result of reflections between the ends of the cables. Shorter cables show a greater effect.
Microwave Cable Connectors
Click to Enlarge

The graph above shows the insertion loss for 2.92 mm-to-2.92 mm Microwave Cables. The shaded region denotes the specified operating frequency range of these cables. Ripples in the insertion loss are a function of the cable length and a normal result of reflections between the ends of the cables. Shorter cables show a greater effect.
Microwave Cable Connectors
Click to Enlarge

The graph above shows the insertion loss for 2.4 mm-to-2.4 mm Microwave Cables. The shaded region denotes the specified operating frequency range of these cables. Ripples in the insertion loss are a function of the cable length and a normal result of reflections between the ends of the cables. Shorter cables show a greater effect.
Connector Type Other Connector Types that can be Mated Directly
SMP GPO®
SMA 2.92 mm, 3.5 mm, or K
2.92 mm SMA, 3.5 mm, or K
2.4 mm 1.85 mm or V

The plot below summarizes the microwave compatibility for the SMA, SMP, 2.92 mm, and 2.4 mm connectors used by the cables available on this page. The table to the right summarizes which connector types can be directly mated without the use of an adapter. Performance will be limited by the connector type with the smallest maximum frequency, as indicated in the chart below.

Microwave Connector Compatibility
SMA cables are available with a variety of bandwidths. 18 GHz and 26 GHz are standard connector bandwidths. Bandwidth is determined by a combination of insertion and return loss and is a function of both cable loss and connector quality.

K and V are trademarks of Anritsu.
GPO® is a registered trademark of Corning-Gilbert.


Posted Comments:
user  (posted 2019-03-12 18:33:29.86)
Hi, do the premium cables have a standard cable number (e.g. like RG58, RG316)? Also, can you please provide the k1 and k2 loss coefficients, or provide an equation for attenuation as a function of frequency (not just in the GHz range shown in the plot)? Thanks.
YLohia  (posted 2019-04-08 10:40:50.0)
Hello, thank you for contacting Thorlabs. These premium cables do not have a standard cable number such as RG58 or RG316. The loss of the cable assemblies is a combination of loss in the bulk cable and loss in the connectors. The most accurate representation for the cables we have is the information provided in the tables, as this is the actual measured loss of a representative cables. It is difficult to predict the attenuation based on the bulk material alone, as there can be effects causes by each of the individual connectors and also by the interactions between the two connectors separated by the cable. If you are interested, we can share the numerical values that we use to generate the graph on the website which includes measured insertion loss down to 35MHz.
albert.romann  (posted 2017-04-20 11:39:21.617)
Hi there, what coax cable is used (make and manufacturer)? Any information about the phase stability at around 24C? Any measured RF parameters (VSWR, return loss,..)
tfrisch  (posted 2017-05-03 01:21:36.0)
Hello, thank you for contacting Thorlabs. Please see our specs tab for VSWR and other relevant specs. I would expect the phase to be be stable for a stable temperature. I will reach out to you to discuss your application.

SMA-to-SMA Microwave Cables

Microwave Cable Connectors
Click to Enlarge

Each Cable is Terminated with SMA Male Connectors
  • SMA Male-to-Male Cables
  • DC - 26 GHz
  • Seven Available Lengths

Thorlabs’ SMA-to-SMA Microwave Cables support frequencies from DC up to 26 GHz. Each flexible cable is terminated with an SMA male connector on either end (see the image to the right). They are available in lengths ranging from 3" to 120". Each cable has a low VSWR from DC to 26 GHz as well as a low insertion loss (see Specs tab). In general, we recommend using the shortest cable that is suitable for your application.

The SMA connector can mate directly to a 2.92 mm, 3.5 mm, or K connector. As a result, these cables are compatible with many of Thorlabs’ High-Speed Detectors or Fiber-Coupled EO Modulators that use SMA connectors.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
SMM3 Support Documentation
SMM3Microwave Cable, SMA Male to SMA Male, 3" (76 mm)
$42.44
Today
SMM6 Support Documentation
SMM6Microwave Cable, SMA Male to SMA Male, 6" (152 mm)
$47.74
Today
SMM12 Support Documentation
SMM12Microwave Cable, SMA Male to SMA Male, 12" (305 mm)
$53.05
Today
SMM24 Support Documentation
SMM24Microwave Cable, SMA Male to SMA Male, 24" (610 mm)
$63.65
Today
SMM36 Support Documentation
SMM36Microwave Cable, SMA Male to SMA Male, 36" (914 mm)
$74.26
Today
SMM72 Support Documentation
SMM72Microwave Cable, SMA Male to SMA Male, 72" (1829 mm)
$95.48
Today
SMM120 Support Documentation
SMM120Microwave Cable, SMA Male to SMA Male, 120" (3048 mm)
$132.61
Today

2.92 mm-to-2.92 mm Microwave Cables

Microwave Cable Connectors
Click to Enlarge

Each Cable is Terminated with 2.92 mm Male Connectors
  • 2.92 mm Male-to-Male Cables
  • DC - 40 GHz
  • Six Available Lengths

Thorlabs’ 2.92 mm-to-2.92 mm Microwave Cables support frequencies from DC up to 40 GHz. Each flexible cable is terminated with a 2.92 mm male connector on either end (see image to the right). They are available in lengths ranging from 4" to 72". Each cable has a low VSWR from DC to 40 GHz as well as a low insertion loss (see Specs tab). In general, we recommend using the shortest cable that is suitable for your application.

The 2.92 mm connector can mate directly to an SMA, 3.5 mm, or K connector. As a result, these cables are compatible with many of Thorlabs’ High-Speed Detectors that use SMA connectors.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KMM4 Support Documentation
KMM4Microwave Cable, 2.92 mm Male to 2.92 mm Male, 4" (102 mm)
$79.57
Today
KMM8 Support Documentation
KMM8Microwave Cable, 2.92 mm Male to 2.92 mm Male, 8" (203 mm)
$86.99
Today
KMM12 Support Documentation
KMM12Microwave Cable, 2.92 mm Male to 2.92 mm Male, 12" (305 mm)
$95.48
Today
KMM24 Support Documentation
KMM24Microwave Cable, 2.92 mm Male to 2.92 mm Male, 24" (610 mm)
$116.70
Today
KMM36 Support Documentation
KMM36Microwave Cable, 2.92 mm Male to 2.92 mm Male, 36" (914 mm)
$137.92
Today
KMM72 Support Documentation
KMM72Microwave Cable, 2.92 mm Male to 2.92 mm Male, 72" (1829 mm)
$185.66
Today

2.4 mm-to-2.4 mm Microwave Cables

Microwave Cable Connectors
Click to Enlarge

Each Cable is Terminated with 2.4 mm Male Connectors
  • 2.4 mm Male-to-Male Cables
  • DC - 50 GHz
  • Five Available Lengths

Thorlabs’ 2.4 mm-to-2.4 mm Microwave Cables support frequencies from DC up to 50 GHz. Each flexible cable is terminated with a 2.4 mm male connector on either side (see image to the right). They are available in lengths of 4", 8", 12", 24", or 36". Each cable has a low VSWR from DC to 50 GHz as well as a low insertion loss (see Specs tab). In general, we recommend using the shortest cable that is suitable for your application.

The 2.4 mm connector can mate directly to a 1.85 mm or V connector. As a result, these cables are compatible with Thorlabs’ 40 GHz EO Phase and Intensity Modulators that use a V connector.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
TMM4 Support Documentation
TMM4Microwave Cable, 2.4 mm Male to 2.4 mm Male, 4" (102 mm)
$100.79
Today
TMM8 Support Documentation
TMM8Microwave Cable, 2.4 mm Male to 2.4 mm Male, 8" (203 mm)
$111.39
Today
TMM12 Support Documentation
TMM12Microwave Cable, 2.4 mm Male to 2.4 mm Male, 12" (305 mm)
$122.00
Today
TMM24 Support Documentation
TMM24Microwave Cable, 2.4 mm Male to 2.4 mm Male, 24" (610 mm)
$153.83
Today
TMM36 Support Documentation
TMM36Microwave Cable, 2.4 mm Male to 2.4 mm Male, 36" (914 mm)
$185.66
Today

SMP-to-SMP Microwave Cables

Microwave Cable Connectors
Click to Enlarge

Each Cable is Terminated with SMP Female Connectors
  • SMP (GPO® Compatible) Female-to-Female Cables
  • DC - 18 GHz
  • 3" and 6" Lengths Available

Thorlabs’ SMP-to-SMP Microwave Cables support frequencies from DC up to 18 GHz. Each flexible cable is terminated with an SMP female connector on either end (see the image to the right). They are available in lengths of 3" and 6". Each cable has a low VSWR from DC to 18 GHz as well as a low insertion loss (see Specs tab). In general, we recommend using the shortest cable that is suitable for your application.

The SMP connector can mate directly to a GPO connector. The GPO connector compatibility makes these cables suitable for use with Thorlabs’ Fiber-Coupled EO Modulators.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
GFF3 Support Documentation
GFF3Microwave Cable, SMP Female to SMP Female, 3" (76 mm)
$48.80
Today
GFF6 Support Documentation
GFF6Microwave Cable, SMP Female to SMP Female, 6" (152 mm)
$56.23
Today

SMA-to-SMP Microwave Adapter Cables

Specificationsa
Item # SMGF3 SMGF6 SFGF3 SFGF6
Length 3" 6" 3" 6"
Adapter Style (Click for Image) SMA Male to SMP Female SMA Female to SMP Female
Frequency Range DC - 18 GHz
  • For complete specifications, see the Specs tab.
  • SMA-to-SMP Adapter Cables
  • DC - 18 GHz
  • Available with SMA Male or Female Connector to SMP Female Connector

These adapter cables have SMP female connector on one end and either a male or female SMA connector on the other. Each style of adapter cable is available in 3" or 6" lengths. Each cable has a low VSWR from DC to 18 GHz as well as a low insertion loss (see Specs tab). In general, we recommend using the shortest cable that is suitable for your application.

The SMP connector can mate directly to a GPO connector, while the SMA connector can mate directly to a 2.92 mm, 3.5 mm, or K connector. The GPO connector compatibility makes these cables suitable for use with Thorlabs’ Fiber-Coupled EO Modulators.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
SMGF3 Support Documentation
SMGF3Microwave Adapter Cable, SMA Male to SMP Female, 3" (76 mm)
$54.11
Today
SMGF6 Support Documentation
SMGF6Microwave Adapter Cable, SMA Male to SMP Female, 6" (152 mm)
$59.68
Today
SFGF3 Support Documentation
SFGF3Microwave Adapter Cable, SMA Female to SMP Female, 3" (76 mm)
$54.11
Today
SFGF6 Support Documentation
SFGF6Microwave Adapter Cable, SMA Female to SMP Female, 6" (152 mm)
$59.68
Today

2.4 mm-to-2.92 mm Microwave Adapter Cables

Specificationsa
Item # TMKM4 TMKF4 TFKM4 TFKF4
Length 4"
Adapter Style
(Click for Image)
2.4 mm Male to
2.92 mm Male
2.4 mm Male to
2.92 mm Female
2.4 mm Female to
2.92 mm Male
2.4 mm Female to
2.92 mm Female
Frequency Range DC - 40 GHz
  • For complete specifications, see the Specs tab.
  • 2.4 mm-to-2.92 mm Adapter Cables
  • DC - 40 GHz
  • Available with 2.4 mm Male or Female Connector to 2.92 mm Male or Female Connector

These adapter cables go from either a female or 2.4 mm male connector to either a 2.92 mm male or female connector. Each cable has a low VSWR from DC to 40 GHz as well as a low insertion loss (see Specs tab).

The 2.4 mm connector can mate directly to a 1.85 mm or V connector, while the 2.92 mm connector can mate directly to an SMA, 3.5 mm, or K connector. The V connector is directly compatible with Thorlabs’ 40 GHz EO Phase and Intensity Modulators. For easy identification, the 2.4 mm connector end has a grooved locking nut.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
TMKM4 Support Documentation
TMKM4Microwave Adapter Cable, 2.4 mm Male to 2.92 mm Male, 4" (102 mm)
$130.49
Today
TMKF4 Support Documentation
TMKF4Microwave Adapter Cable, 2.4 mm Male to 2.92 mm Female, 4" (102 mm)
$130.49
Today
TFKM4 Support Documentation
TFKM4Microwave Adapter Cable, 2.4 mm Female to 2.92 mm Male, 4" (102 mm)
$130.49
Today
TFKF4 Support Documentation
TFKF4Microwave Adapter Cable, 2.4 mm Female to 2.92 mm Female, 4" (102 mm)
$130.49
Today

Microwave Cable Adapters

Common Specifications
Impedance 50 Ω
Durability 500 Connection Cycles
Material Stainless Steel (303)
Conductor Gold-Plated Brass (M) or
Gold-Plated BeCu (F)
Coupling Torque 8 in-lbs (0.9 N-m)
Coupling Nut Hex Size 5/16"
  • Adapters for 2.4 mm or 2.92 mm Connectors
  • DC - 40 GHz or DC - 50 GHz

These microwave cable adapters are designed to change the gender or connector type of microwave cables and connectors. They include in-series adapters (F-F, F-M, M-F) for 2.92 mm and 2.4 mm, as well as between-series adapters for all gender combinations of 2.92 mm and 2.4 mm cables.

Specifications
Adapter Type 2.92 mm 2.4 mm 2.4 mm to 2.92 mm
Item # KFF KMF KMM TFF TMF TMM TFKF TFKM TMKF TMKM
Photo
(Click to Enlarge)
Adapter Style
(Click for Image)
2.92 mm F. to
2.92 mm F.
2.92 mm M. to
2.92 mm F.
2.92 mm M. to
2.92 mm M.
2.4 mm F. to
2.4 mm F.
2.4 mm M. to
2.4 mm F.
2.4 mm M. to
2.4 mm M.
2.4 mm F. to
2.92 mm F.
2.4 mm F. to
2.92 mm M.
2.4 mm M. to
2.92 mm F.
2.4 mm M. to
2.92 mm M.
VSWR 1.2 1.25
Frequency Range DC - 40 GHz DC - 50 GHz DC - 40 GHz
Length 19.00 mm 20.10 mm 21.20 mm 19.10 mm 18.15 mm 17.20 mm 20.40 mm 21.50 mm 19.45 mm 20.55 mm
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
KFF Support Documentation
KFFMicrowave Cable Adapter, 2.92 mm Female to 2.92 mm Female
$82.78
Today
KMF Support Documentation
KMFMicrowave Cable Adapter, 2.92 mm Male to 2.92 mm Female
$82.78
Today
KMM Support Documentation
KMMMicrowave Cable Adapter, 2.92 mm Male to 2.92 mm Male
$82.78
Today
TFF Support Documentation
TFFMicrowave Cable Adapter, 2.4 mm Female to 2.4 mm Female
$165.56
Today
TMF Support Documentation
TMFMicrowave Cable Adapter, 2.4 mm Male to 2.4 mm Female
$165.56
Today
TMM Support Documentation
TMMMicrowave Cable Adapter, 2.4 mm Male to 2.4 mm Male
$165.56
Today
TFKF Support Documentation
TFKFMicrowave Cable Adapter, 2.4 mm Female to 2.92 mm Female
$138.51
Today
TFKM Support Documentation
TFKMMicrowave Cable Adapter, 2.4 mm Female to 2.92 mm Male
$138.51
Today
TMKF Support Documentation
TMKFMicrowave Cable Adapter, 2.4 mm Male to 2.92 mm Female
$138.51
Today
TMKM Support Documentation
TMKMMicrowave Cable Adapter, 2.4 mm Male to 2.92 mm Male
$138.51
Today

Preset Torque Wrenches for Microwave Cable Connectors

Coaxial Connector Wrench
Click to Enlarge

The break-over design will cause the pivot point to "break" when the preset torque is achieved, preventing additional force from being applied.
Coaxial Connector Wrench
Click to Enlarge

Each Wrench is Engraved for Easy Identification in the Field
  • Break-Over Design Ensures Proper Mating Torque is Supplied
  • Preset Torque Values to Prevent Over-Tightening Connectors
    • TQW5A: 5 in-lbs (0.57 N•m) for Most SMA Connectors
    • TQW8A: 8 in-lbs (0.90 N•m) for 3.5 mm, 2.92 mm, 2.4 mm, 1.85 mm, K, and V Connectors
  • Engraved with Preset Torque Value, Torque Direction, Wrench Size, and Item #
  • Ideal for Use with Our Premium Microwave Cables and Adapters

These 5/16” Torque Wrenches have a preset torque value to ensure that the proper amount of torque is supplied when mating two coaxial connectors. The TQW5A is set to provide 5 in-lbs of torque, which is ideal for most SMA connectors, while the TQW8A is set to provide 8 in-lbs of torque, which is ideal for 3.5 mm, 2.92 mm, 2.4 mm, 1.85 mm, K, and V connectors. 

When the preset torque value has been achieved, the break-over design will cause the pivoting joint to "break", as shown in the image above. This will prevent further force from being applied to the connector. The wrench's hex head will move back into place once the force is removed. Each wrench is engraved with its preset torque value, torque direction, wrench size, and item # for easy identification in the field.

The preset torque value for each wrench is guaranteed for one year from the date of purchase. If necessary, wrenches may be returned to Thorlabs for recalibration, please contact Tech Support for details.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
TQW5A Support Documentation
TQW5A5/16" Preset Torque Wrench for Coaxial Connectors, 5 in-lbs
$218.59
Today
TQW8A Support Documentation
TQW8A5/16" Preset Torque Wrench for Coaxial Connectors, 8 in-lbs
$218.59
Today
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