| EMISSION TYPE | F9 |
| BASIC SHAPE STYLE | RECTANGULAR OR SQUARE |
| EXTERNAL AC OPERATING VOLTAGE IN VOLTS | 230.0 NOMINAL 2ND VOLTAGE |
| EXTERNAL DC OPERATING VOLTAGE IN VOLTS | 6.0 NOMINAL SINGLE VOLTAGE |
| EXTERNAL AC OPERATING VOLTAGE IN VOLTS | 115.0 NOMINAL 1ST VOLTAGE |
| FREQUENCY PER CHANNEL | 220.0 MEGAHERTZ MAXIMUM OPERATING CHANNEL |
| FREQUENCY PER CHANNEL | 550.0 KILOHERTZ MINIMUM OPERATING CHANNEL |
| INDICATOR DEVICE TYPE AND QUANTITY | 1 METER |
| OPERATING AC FREQUENCY IN HERTZ | 60.0 NOMINAL 1ST VOLTAGE |
| OPERATING AC FREQUENCY IN HERTZ | 60.0 NOMINAL 2ND VOLTAGE |
| OVERALL HEIGHT | 7.812 INCHES NOMINAL |
| OVERALL LENGTH | 13.125 INCHES NOMINAL |
| OVERALL WIDTH | 12.312 INCHES NOMINAL |
| PHASE | SINGLE |
| SPECIAL FEATURES | PROVISIONS FOR AURAL MONITORING,LOUDSPEAKER AND HEADSET TYPE |