| Generation | Interface | Key Features | Support Status | |------------|-----------|--------------|----------------| | | RJ-9 / serial | Analog, no driver needed | Legacy – no active support | | Air (LFH-3500 series) | 2.4 GHz wireless | Requires dongle | Limited (discontinued) | | DPM (LFH-3200/3250) | USB 2.0 | First digital with slide switch | Extended support ends | | SpeechMike III (SMP-3xxx) | USB | Programmable buttons, trackball | Partial support | | SpeechMike Premium (SMP-4xxx) | USB | Improved audio, wear detection | Active | | SpeechMike Premium Touch (SMP-4xxx) | USB + Bluetooth | Touch ring, wireless option | Active | | SpeechMike for Dragon | USB | Optimized for Dragon ASR | Active |
| Component | Maintenance Frequency | Method | |-----------|----------------------|--------| | Microphone grille | Monthly | Compressed air | | Trackball (SMP-3/4) | Every 2 months | Remove ball, clean rollers with alcohol | | Buttons | As needed | Wipe with isopropyl alcohol pad | | Cable | Continuous | Avoid kinking; use cable clip | philips speechmike support
This report synthesizes support protocols, known issues, and solutions for end-users and IT administrators. Support differs significantly across generations. Key families include: | Generation | Interface | Key Features |