| AC VOLTAGE RATING | 115.000 VOLTS NOMINAL 1ST ALTERNATE OPERATING POWER RQMT |
| AC VOLTAGE RATING | 230.000 VOLTS NOMINAL 2ND ALTERNATE OPERATING POWER RQMT |
| AUDIO FREQUENCY RANGE IN HERTZ | +200.0 TO 2800.0 |
| CHANNEL FREQUENCY SEPARATION | 2950.0 HERTZ |
| CHANNEL QUANTITY | 1 OR 3 |
| CHANNEL SERVICE TYPE | TWO-WAY VOICE AND TWO-WAY CARRIER |
| DC VOLTAGE RATING | 12.000 VOLTS NOMINAL |
| FREQUENCY RATING | 50.000 HERTZ MINIMUM AND 60.000 HERTZ MAXIMUM 1ST ALTERNATE OPERATING POWER RQMT |
| FREQUENCY RATING | 50.000 HERTZ MINIMUM AND 60.000 HERTZ MAXIMUM 2ND ALTERNATE OPERATING POWER RQMT |
| OVERALL LENGTH | 66.004 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | CF-1-A TYPE |
| PHASE | SINGLE 1ST ALTERNATE OPERATING POWER RQMT |
| PHASE | SINGLE 2ND ALTERNATE OPERATING POWER RQMT |
| RECEIVED SIGNAL FREQUENCY RATING | 200.0 HERTZ MINIMUM AND 1200.0 HERTZ MAXIMUM |
| SPECIAL FEATURES | TYPE NO. TC-21-A |
| TRANSMITTED SIGNAL FREQUENCY RATING | 200.0 HERTZ MINIMUM AND 1200.0 HERTZ MAXIMUM |