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VIAVI CX300 Software Update 3.0.1 for professional radio service
VIAVI CX300 Software Update 3.0.1 for professional radio service
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Software Release 3.0.1 is available for the VIAVI CX300 Communications Service Monitor. The update adds functions for...

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Wavecontrol Webinar: Control Center for Continuous EMF Area Monitoring
Wavecontrol Webinar: Control Center for Continuous EMF Area Monitoring
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On July 9, 2026, Wavecontrol will present an international live webinar on a web-based Control Center for Continuous...

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EMCTEST at EMCO: EMC test accessories for the DACH region
EMCTEST at EMCO: EMC test accessories for the DACH region
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EMCO Elektronik is the official distribution partner of EMCTEST Technologies Srls for Germany, Austria and...

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VIAVI AVX-10K Flight Line Test Set: The New Standard for Flight Line Testing
VIAVI AVX-10K Flight Line Test Set: The New Standard for Flight Line Testing
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The VIAVI AVX-10K Flight Line Test Set is a compact all-in-one system for modern avionics testing directly on the...

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NEXIO BAT-EMC – Automated EMC Testing with EMCO
NEXIO BAT-EMC – Automated EMC Testing with EMCO
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BAT-EMC automates EMC testing from test control to standards-compliant reporting, with local sales and technical...

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4-Channel Programmable Attenuators with USB Control – Precision and Flexibility for RF Labs

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JFW Industries, Inc., based in Indianapolis (USA), designs and manufactures a wide range of attenuators, RF switches, power dividers and test accessories. Certified to ISO9001:2008, JFW provides high-quality RF components trusted by engineers and laboratories worldwide.

Electronically controlled attenuators for advanced test setups

JFW’s 4-channel programmable attenuators are optimized for 50-ohm systems and controlled via USB interface using intuitive software. Each channel operates independently, allowing engineers to fine-tune signal levels for EMC, RF and wireless test applications.

Available Models

  • 50P-2089: 200 – 6000 MHz, 0 – 95 dB in 1 dB steps
  • 50P-2137: 30 – 3000 MHz, 0 – 95 dB in 1 dB steps
  • 50P-2138: 1 – 1000 MHz, 0 – 95 dB in 1 dB steps
  • 50P-2141: 1 – 200 MHz, 0 – 63 dB in 1 dB steps
  • 50P-2142: 30 – 3000 MHz, 0 – 63.5 dB in 0.5 dB steps

Technical Highlights

  • 50-ohm impedance for precision RF applications
  • SMA connectors for low-loss connections
  • Switching speed: 4 µs
  • USB control with supplied software
  • Ideal for R&D, EMC and production environments

Key Benefits

The 4-channel attenuators provide high repeatability, fast switching and easy automation, making them ideal for engineers requiring accurate, configurable signal attenuation in complex RF setups.

Local support

EMCO Elektronik GmbH serves as the official distributor of JFW Industries in Germany and Austria, offering consultation, integration and full technical support for RF components and systems.

Special News 25/2024 – JFW 4-Channel Programmable Attenuators with USB Control