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[@f4ans_f15115](/creator/twitter/f4ans_f15115)
"Someone using this sdr switch I read the PTT is optional The TRX jack is connect with Can you share your schematic connexion Thanks 🙏 #radioamateur #hamradio #sdr #sdrswitch"  
[X Link](https://x.com/f4ans_f15115/status/1980555015623487598) [@f4ans_f15115](/creator/x/f4ans_f15115) 2025-10-21T08:41Z XXX followers, XXX engagements