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Hardware Revision History

Overview​

The Radxa Dual 2.5G Router HAT product has undergone multiple iterations of optimization. Below is a detailed change log for each hardware version. This document aims to help users understand the differences between versions, ensure compatibility, and guide upgrade decisions.

Version Naming Convention​

Hardware versions of the Radxa Dual 2.5G Router HAT follow the "V1.x" format, where the number represents major design iterations.

Version History​

V1.5 (Current Production Version)​

Hardware Changes​

  • Production-Optimized Version: Stable design verified through production testing
  • Resistor Placement Adjustment: Optimized the layout of resistors around the power interface to resolve component interference issues when connecting/disconnecting the power cable
  • Structural Stability Enhancement: Improved overall component layout for increased reliability during long-term use

Application Scenarios​

  • All production environments and commercial applications
  • Long-term deployments requiring high stability

V1.4 (Internal Testing Version)​

Hardware Changes​

  • Connector Optimization: Changed the vertical 2-Pin 12V output connector to a horizontal design and adjusted the mounting direction by 180 degrees
  • PCB Identifier Update: Silkscreen updated to "Radxa Dual 2.5G Router HAT V1.4"
  • Internal Testing Version: Provided only to a limited number of developers for verification testing

Technical Improvements​

  • Optimized connector layout for more convenient external device connections
  • Enhanced stability of the power output interface

V1.3 (Development Preview Version)​

Hardware Changes​

  • Mechanical Structure Optimization: Removed 4 surface-mount nuts and adopted a mounting solution using 2 screws with double-pass copper posts
  • Interface Height Adjustment: 40-pin connector height specification adjusted to 17.5mm
  • Functionality Extension: Added a 2-Pin 12V power output interface to support X4 device connections, with polarity clearly marked in PCB silkscreen
  • PCB Identifier Update: Silkscreen updated to "Radxa Dual 2.5G Router HAT V1.3"
  • Internal Testing Version: Provided only to a limited number of developers for verification testing

Technical Improvements​

  • Simplified the installation process for improved assembly efficiency
  • Enhanced physical compatibility with Raspberry Pi and Radxa mainboards
  • Extended power output functionality with additional device connection options

Version Identification Methods​

You can identify your Radxa Dual 2.5G Router HAT version by:

  1. PCB Silkscreen: Check the version identifier on the circuit board, which typically has a "Vx.x" marking
  2. Product Packaging: Official production versions have complete version information on the packaging

Technical Support​

If you have any questions about hardware versions or need technical support, please contact the Radxa technical support team: