Compatible Portable Radios:
- Motorola EVX-261
- Motorola VX-261
- Motorola VX-264
- Motorola VX-451
- Motorola VX-454
- Motorola VX-459
- Vertex Standard EVX-530
- Vertex Standard VX-231
- Vertex Standard VX-350
- Vertex Standard VX-410
- Vertex Standard VX-420
- Vertex Standard VX-820
- Vertex Standard VX-920
