Williams Sound MIC 100 Unidirectional Headband Microphone; Recommended for T27 Transmitter, T46 Transmitter, R38, R37 receivers; Improved RF Resistance; Ideal for high-Noise environments
| Country | USA |
| Manufacturer | Hartman Publishing, Inc. |
| Binding | Paperback |
| ReleaseDate | 0000-00-00 |