- DS2164Q
- Dallas Semiconductor
- G.726 ADPCM Processor
- DS2164QN
- Dallas Semiconductor
- ADPCM Voice Compression, Dual Channel ADPCM Processor
- DS2164QN
- Maxim Integrated Products, Inc.
- A/MU-LAW, ADPCM CODEC, PQCC28
- DS2164Q+T&R
- Hytronics
- A/MU-LAW, ADPCM CODEC, PQCC28
- DS2164Q/T&R
- Hytronics
- A/MU-LAW, ADPCM CODEC, PQCC28
- DS2164Q/T&R+
- Hytronics
- A/MU-LAW, ADPCM CODEC, PQCC28