PXDragon Instructions and Firmware Upgrading
This KB Article contains the latest versions of the Instructions and Firmware tools for PXDragon DR-9400 Modems
As of 30 Oct 2026, the most recent firmware version for DR-9400 is 1.01.02 (links and attachments below)
Manuals and Guides
PXdragon/DR-9400 Practical Guide - (download PDF)
PXdragon/DR-9400 (RUP) Robust Unproto Feature description (as of 1.01.02) - (download PDF)
PXdragon Firmware Update Process - (download PDF)
(this is contained in the practical guide also)
PXdragon/DR-9400 Open Wire Cable Color Codes - (download PDF)
P4dragon/PXdragon How To Add Feature Licenses - (download PDF)
Note: ALE is not yet available for DR-9400 Models. AES is Available as an addon Feature License
APRS/Packet Radio/etc Secondary Modes Info - fw 2.00.0, 2.10.0, 2.20.0 (download 2.00 PDF) (download 2.10 PDF) (download 2.20 PDF)
Downloads and Tools
PXDragon DR-9400 Firmware Update 1.01.02 (download ZIP file) (1.01.02 Release Notes) (Sep 30 2026)
PXDragon DR-9400 Firmware Update 1.01.00 (download ZIP file) (1.01.00 Release Notes) (Oct 30 2026)
PXDragon Firmware Update Tool (PXFastUpdater 1.00.06) (for Windows x64)
PXHost Terminal App - 1.0.11 (download ZIP file) (for Windows x64)
Legacy PX/P4 Dragon Config/updater tool - P4config.exe 1.1 (download ZIP file)
FTDI USB-VCP (Windows x64/v11) Drivers - 2.12.36.4 - (download ZIP file)
FTDI USB (pre-Windows 11) Drivers -2024-06-21 - (download ZIP file)
SCSMail - 2.3.0.1 (download ZIP file)