RF testing advice straight from the JFW Engineering Department.

JFW's Ethernet test box

New fixed IP Address for JFW’s Ethernet Test Box

The fixed IP address of our Ethernet Test Box is now 104.63.176.50…
JFW's Ethernet test box

Custom Model Kits Available for Single Line Item Purchase Orders

JFW does offer the ability for buyers to purchase multiple JFW…
JFW's Ethernet test box

Python Library Available for USB Attenuator and USB RF Switch Models

If you would prefer to control our USB attenuator or USB RF switch…
JFW's Ethernet test box

Identify a 2.9mm Fixed Attenuator from 2.4mm Fixed Attenuator

With the push to 5G by wireless cellular providers, lab benches…
JFW's Ethernet test box

Remote Command Syntax Testing with JFW’s Ethernet Test Box

The number one FAQ we receive from customers about our remotely…
JFW's Ethernet test box

A Fixed Attenuator can Improve your Harmonic Distortion Test Setup

Typical harmonic distortion test setup:  Signal Generator, Low…
JFW's Ethernet test box

75 Ohm Programmable Attenuator for CATV DOCSIS Equipment Testing

The DOCSIS cable TV standard has created the need for equipment…
JFW's Ethernet test box

Mix and Match RF Connectors for Fixed Attenuators

Don't use a fixed attenuator and an adapter, when you can…
JFW's Ethernet test box

3D Models Available

Our Drafting Department has created a library of 3D models…