3920B Series Analog and Digital Radio Test Platform

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  • Features
  • Literature
  • Technical Data
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  • Manuals & Training
  • Videos

Newest in low phase noise RF signal generator technology

The 3920B features a new low phase noise RF signal generator in addition to the already advanced functionality available on the Cobham 3900 Series. The 3920B includes many standard features as well as a host of optional test capabilities, digital personalities, and the Auto-Test II Alignment capability.

This firmware is compatible with all the 3900 Series products. See release notes for more information.

The new version of firmware has several new enhancements and bug fixes.

Download Software Version 3.7.2 Today!      3920 Auto-Test Update

Click on Software Tab above for script downloads.

 NSN: 6625-01-583-9945


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Testing Capabilities

  • Analog AM and FM
  • P25 and P25 Phase II
  • NXDN™
  • dPMR
  • TEDS (TETRA Enhanced Data Service)
  • Automatic Test and Alignment of a wide range of mission critical radios


  • RF signal generator with SSB phase noise of -110 dBc/Hz at 10 kHz offset
  • Sensitive receiver for making accurate measurements
  • 2.7 GHz RF frequency range for generate and receive
  • Full spectrum analyzer and tracking generator with displayed average noise level of -140 dBm


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Title Version/
Date Download
3900 Series Software Update


3920B Release Notes


3920 Software Upgrade Procedure 12-17-2015
3920 Scripts Installation Instructions 09-25-2013
National Instruments Lab view Driver for Analog Duplex for the 3920


3900 Series Lab Windows/CVI Driver for Analog Duplex



3920 Auto-Test II Update

Script updates require a minimum system firmware version of 3.6.0. It is recommended that you update the 3920B to the latest system release prior to the installation of any Script updates.
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Title Version/
Date Download
3920 Auto-Test Update February 2017 02-16-2017
3920 Auto-Test Update Release Notes February 2017 02-16-2017
Aeroflex 3901/3902/3920 Option Installation Procedure 06-17-2016


Title Version/
Date Download
Using WinSCP with the 3920B Issue 1 09-19-2016
3900 Series Interactive Programming Guide

Issue 12
P/O 6047

3900 Series Interactive Courseware

Issue 5


3920 FM Analog Test Videos

Title Version/
Date Download
3920 Tone Encode/Decode Option 10-28-2015
3920 Tone Encode and Decode Operation 08-13-2014
3920 Measuring Voice Modulation 01-16-2014
3920 Measuring CTCSS (PL) Tone 05-22-2013

3920 Project 25 Videos

Title Version/
Date Download
P25 C4FM Modulation Fidelity 05-23-2014
3920 APX Test and Alignment 01-16-2014
3920 XTS-5000 Alignment 05-22-2013

3920 DMR Videos

Title Version/
Date Download
DMR Mod Fidelity 08-29-2016
3920 DMR Fidelidad de Modulacion 10-28-2015
3920 XPR 8300 DMR Repeater Test 01-16-2014
3920 DMR System Overview 01-16-2014

3920 Tracking Generator Videos

Title Version/
Date Download
3920 Tracking Generator Cable Loss Procedure 08-29-2016
3920 Sweeping a Duplexer with the 3920 Tracking Generator 01-16-2014

3920 Frequency List

Title Version/
Date Download
3920 Frequency List Tutorial 08-13-2014

3920 Instruments

Title Version/
Date Download
3920 Testing a POCSAG Pager 08-29-2016
3920 Spectrum Analyzer Operation 08-13-2014
3920 Oscilloscope Operation 08-13-2014

3920 Auto-Test Videos

Title Version/
Date Download
APX7000 Auto-Test Alignment 08-29-2016
APX7000 Performance Check 08-29-2016
APX7000 Performance Check Interconnect 08-29-2016
APX7000 Performance Check Setup 08-29-2016
APX7500 Performance Check 08-29-2016
APX7500 Performance Check Setup 08-29-2016

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