JFW Industries

JFW Industries

JFW Industries is a US-based manufacturer of RF and microwave passive components, specializing in fixed and programmable attenuators, RF switches, and multi-port switching matrix systems. Based in Indianapolis, Indiana, the company serves RF engineers and system integrators requiring precise signal level control across a broad frequency range.

JFW's product catalog includes coaxial fixed attenuators, rotary step attenuators, rack-mounted programmable attenuator systems, and RF switching matrices controllable via GPIB, USB, Ethernet, and RS-232 interfaces. Their instruments operate from DC to several GHz and are available in a variety of attenuation ranges, connector types, and power handling configurations suitable for both laboratory and production environments.

Key Product Lines

• Fixed coaxial attenuators for signal level reduction in RF test setups
• Rotary and step attenuators for manual and semi-automated signal control
• Programmable attenuator systems with remote control interfaces (GPIB, USB, Ethernet)
• RF switching matrices for multi-port signal routing in automated test systems

Industries Served

JFW Industries equipment is used in telecommunications R&D, wireless system testing, aerospace and defense signal simulation, cable television infrastructure testing, and automated RF production test environments requiring precise and repeatable signal conditioning.