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Products
- Products
  Spectrum Control introduces SCi Blocks (pronounced “sky blocks”) a family of next-generation, plug-and-play RF solutions that address the requirements of emerging aerospace and defense systems.
  
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- RF + Digital Blocks
  Spectrum Control introduces SCi Blocks (pronounced “sky blocks”) a family of next-generation, plug-and-play RF solutions that addresses the requirements of emerging aerospace and defense systems.
  
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- RF Conditioning & Distribution
  Spectrum Control is a leader in designing and building complex, high performance, high reliability assemblies and subsystems to meet your exacting requirements. Our experience, combined with our vertical integration capabilities gives us a clear advantage over other suppliers.
  
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- Power Distribution
  Spectrum Control offers custom and standard AC and DC power distribution solutions.
- EMI Protection
  We offer the industry’s most complete line of filtered D-sub connectors, available in shell sizes from 9 to 50, and come in many termination types, such as PC mount, wire wrap, solder cup and 90° PCB.
  
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- Components
  Spectrum Control's Voltage Controlled Oscillators (VCOs) are rugged, high-performance, customizable varactor diode-based designs.
  
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- IMAs
  Spectrum Control is a leader in designing and building complex, high performance, high reliability assemblies and subsystems to meet your exacting requirements. Our experience, combined with our vertical integration capabilities gives us a clear advantage over other suppliers.
  
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- Services & Solutions
  Spectrum Control's Climatic & Dynamic Test Facility is a leading European Test Facility for components, materials, and equipment in Great Yarmouth, UK.
  
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- Secure Systems
  Secure Systems and Information Assurance also offer Security Hardening for microphones, cameras, speakers, and Data at Rest encryption solutions.
  
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Aerospace + Defense
- Aerospace + Defense
  Spectrum Control Inc. is introducing a new best-in-class AC & DC Power Distribution Unit (PDU) product line. High performance, a full feature set, and a ruggedized design combined with a focus on manufacturability and component availability deliver excellent value to our customers.
  
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- Air
  Spectrum Control designs and manufactures high-rel SAW filters for today’s military and commercial markets. We provide standard solutions for narrowband, GPS band applications, standard IF, and standard RF bands.
  
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- Land
  Hermetically sealed EMI filters are excellent for critical applications that demand high reliability in the toughest environments, giving broadband high-performance EMI filtering from 10 kHz to over 10 GHz.
  
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- Sea
  Spectrum Control's custom EMI filter design solutions offer comprehensive consulting, diagnostic testing, and world-class manufacturing, providing an ideal solution to satisfy global EMC standards while meeting your design parameters.
  
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- Space
  Spectrum Control is a Premier Provider of Space-Level Qualified Products & Solutions. Our facilities in Marlborough, MA and Great Yarmouth, UK, are MIL-PRF-38534 Class K certified, satisfying the most stringent quality assurance requirements demanded by the world's tier-one space contractors.
  
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  - Solutions for Space Applications
Commercial
- Commercial
  Spectrum Control has the products and expertise to help you fully embrace digital transformation in your wireless test lab. These include solutions to interconnect equipment, condition signals, and emulate RF channels.
  
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- Wireless Test
  Spectrum Control has the products and expertise to help you fully embrace digital transformation in your wireless test lab. These include solutions to interconnect equipment, condition signals, and emulate RF channels.
  
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- High Temperature
  Spectrum Control has the products and expertise to help you fully embrace digital transformation in your wireless test lab. These include solutions to interconnect equipment, condition signals, and emulate RF channels.
  
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- Healthcare
  Spectrum Control has the products and expertise to help you fully embrace digital transformation in your wireless test lab. These include solutions to interconnect equipment, condition signals, and emulate RF channels.
  
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- Avionics
  Spectrum Control has the products and expertise to help you fully embrace digital transformation in your wireless test lab. These include solutions to interconnect equipment, condition signals, and emulate RF channels.
  
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- Space
  Spectrum Control has the products and expertise to help you fully embrace digital transformation in your wireless test lab. These include solutions to interconnect equipment, condition signals, and emulate RF channels.
  
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About
- About
  CEO VIEW
  
  Rich Sorelle talks about building a new kind of RF company.
  
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- CEO View
  CEO VIEW
  
  Rich Sorelle talks about building a new kind of RF company.
  
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- Our Company
  CEO VIEW
  
  Rich Sorelle talks about building a new kind of RF company.
  
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- Careers
  CEO VIEW
  
  Rich Sorelle talks about building a new kind of RF company.
  
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- Locations
  CEO VIEW
  
  Rich Sorelle talks about building a new kind of RF company.
  
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Fixed Attenuators

Spectrum Control offers a wide selection of Inmet and Weinschel fixed attenuators with frequency ranges to 50 GHz (DC) with power handling up to 1000 watts. Fixed attenuators can be used for radar/EW, tacticle communications, avionics, as well as Wi-Fi 6 wireless device testing. They are constructed of stainless steel, have excellent stability and VSWR. They are available in standard as well as custom dB values.

Fixed attenuators are highly customizable and are a high performance and cost-effective solution.

SMA Fixed Attenuators

SMA fixed attenuators are a high-performing and durable passive coaxial solution to essential RF applications.

3.5mm Fixed Attenuators

3.5mm fixed attenuators reduce signal power without distorting the waveform while providing exceptional performance and reliability.

2.92mm (SMK) Fixed Attenuators

2.92mm (SMK) fixed attenuators are dependable and designed to meet the environmental requirements of MIL-A-3933.

2.4mm Fixed Attenuators

2.4mm fixed attenuators are compatible with a variety of input devices and built to withstand demanding environments.

1.85mm Fixed Attenuators

1.85mm fixed attenuators reduce the power levels of a signal by a predetermined amount and are trustworthy for signal power reduction.

BNC Fixed Attenuators

BNC fixed attenuators are dependable, efficient, excel in various RF fields, and mate with MIL-STD-348 standard connectors.

TNC Fixed Attenuators

TNC fixed attenuators are manufactured from premium materials and are built to withstand demanding conditions and environments.

N-Type Fixed Attenuators

Type N fixed attenuators deliver precise signal reduction with minimal distortion and flexibility for a wide variety of RF applications.

GPO & SMP Fixed Attenuators

GPO and SMP fixed attenuators are for precise and reliable signal power reduction without compromising waveform integrity.

SMPM Fixed Attenuators

SMPM fixed attenuators are designed with precision engineering to provide reliable and consistent attenuation performance.

7/16 DIN Fixed Attenuators

7/16-DIN fixed attenuators are durable products are designed to provide accurate attenuation values with optimal performance.

4.3/10 & MD Fixed Attenuators

High-quality 4.3/10 MD fixed attenuators offer seamless compatibility with a wide range of input devices in a variety of systems.

High Reliability Fixed Attenuators

High-reliability fixed attenuators meet or exceed requirements imposed by both government and commercial manufacturers.

Low PIM Fixed Attenuators

Low PIM fixed attenuators are a high-performance signal power reduction tool designed to minimize passive intermodulation.

Specialty Fixed Attenuators

Specialty fixed attenuators are crafted to address specific needs, providing tailored performance for a variety of RF applications.

Calibrated Fixed Attenuator Sets

Several standard fixed attenuator sets as well as custom-designed sets to fit your specific application.