CMX639 Series
| Mfr.Part# | Description | Manufacturer | In Stock | Operation |
| CMX639D4 | CVSD VOICE CODEC | CML Microcircuits | 5843 |
|
| CMX639E2-TR1K | CVSD VOICE CODEC | CML Microcircuits | 2912 |
|
| CMX639E2 | CVSD VOICE CODEC | CML Microcircuits | 8467 |
|