Headsets, Headphones, Handsfree - pinouts of mobile phones and other equipment  > Motorola pinouts
Correct for all IDEN phone headsets with a 4pin 3.5mm connector
Pin
Number
Pin
Name
Description (may be empty)
1 MIC+  Microphone
2 SP+  Speaker
3 GND  Ground
4 PTT  PTT


 

4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
at the mobile phone
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Motorola IDEN i205, i265, i275, i305, i315, i325, i425, i530, i560, i670, i710, i720, i730, i733, i830, i833, i835, i836, i850, i855, i876, i880, i920, i930 cellphones headset visual pinout:
Motorola IDEN i205, i265, i275, i305, i315, i325, i425, i530, i560, i670, i710, i720, i730, i733, i830, i833, i835, i836, i850, i855, i876, i880, i920, i930 cellphones headset diagram
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