Specialists in Attenuation and RF Switching
JFW Industries, Inc. has been designing and manufacturing attenuators and RF switching products since 1979. Headquartered in Indianapolis, Indiana with local sales representatives available around the world. We have stocked attenuators, RF switches and RF products to meet your immediate applications.
Product Spotlight: 4 Channel USB Attenuators
JFW now offers five models of 4 channel USB attenuator. Each 4 channel unit contains 4 individually controlled step attenuators. All models are 50 Ohm with SMA female connectors. JFW provides test software with each model. We also offer a Python library (jfwusb.py) to allow the attenuators to be integrated into test scripts.
Programmable Attenuator Assemblies
- 50 Ω rack mount (keypad)
- 50 Ω rack mount (manual levers)
- 50 Ω benchtop (keypad)
- 50 Ω benchtop (manual levers)
- 75 Ω rack mount
- 75 Ω benchtop
Transceiver Test Systems
Handover Test Systems
RF Switch Assemblies
Matrix Switches
Software/Firmware
Programmable Attenuators
Manually Variable Attenuators
- 50 Ω single rotor
- 50 Ω dual rotor
- 50 Ω panel mounted
- 75 Ω single rotor
- 75 Ω dual rotor
- 75 Ω panel mounted
- Benchtop (enclosure)
- Benchtop (L-bracket)
- Pushbutton
- Rocker
- Toggle
Fixed Attenuators
Terminations & Mismatch Loads
RF Switches
- 50 Ω electro-mechanical (absorptive)
- 50 Ω electro-mechanical (reflective)
- 50 Ω solid-state (absorptive)
- 50 Ω solid-state (reflective)
- 50 Ω high power solid-state
- 75 Ω electro-mechanical
- 75 Ω solid-state
Power Divider/Combiners
- 50 Ω reactive (low power)
- 50 Ω reactive (high power)
- 50 Ω resistive (low power)
- 50 Ω resistive (high power)
- 50 Ω rack mount
- 75 Ω reactive
- 75 Ω resistive
Test Accessories
Sales Team
JFW has sales representatives worldwide and across the United States. You may also contact JFW directly via our inside sales team. The inside sales team is located at the factory in Indianapolis, Indiana.
Engineering Team
If you do not find a model on the website that meets your requirements, please email our engineering team. We will find an existing model or quote a new model. JFW does not charge NREs for new models. For custom test system requests, we will respond with a ROM (rough order of magnitude) quote in 1-2 days
