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Current Supported Version of SmartSDR: 4.1.5
RHR Knowledge Base
Third-Party Integration
Operate phone and CW with SmartSDR
Take full advantage of the power of SmartSDR
Last updated on 23 Oct, 2025
Requirements
RHR subscription
Windows operating system
RHR desktop app
SmartSDR software
Microphone or USB headset (highly recommended)
See detailed system requirements
Connect logging software with SmartSDR CAT