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SPEAKER-MIC
☛ B1 20-Pin POGO Pinouts.docx
☛ B1 20-Pin POGO Pinouts.pdf
☛ Instruction Sheet for RFinder HM-200 Speaker Mic
B1/B1-Plus Button Key Codes
Top RF PTT button: key code 302
Bottom POC button: key code 301
Speaker/mic: key code 305