9600 bit/s Modem Standardized for Use in the Telegraph TDM System - Series R: Telegraph Transmission Voice-Frequency Telegraphy
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | R.21 |
| Product Name | 9600 bit/s Modem Standardized for Use in the Telegraph TDM System - Series R: Telegraph Transmission Voice-Frequency Telegraphy |
