Motorola Touch Tone® Microphones normally only allow sending the normal 12 Tones, with this modification you can send all 16 TouchTone® pairs. Another benefit of this mod is improved audio quality. Click here to download the pdf doccument:
Motorola Touch Tone® Microphones normally only allow sending the normal 12 Tones, with this modification you can send all 16 TouchTone® pairs. Another benefit of this mod is improved audio quality. Click here to download the pdf doccument: