TYPE TC POWER LINE CARRIER TRANSMITTER-RECEIVER ASSEMBLY FOR USE WITH SOLID-STATE RELAYING SYSTEMS
TYPE TC POWER LINE CARRIER TRANSMITTER-RECEIVER ASSEMBLY- 30 to 300 kHz For Directional and Phase Comparison Relaying 10 Watts- 48, 125, 250 V.D.C. with Optional Voice
TRANSMITTER- NARROW BAND RECEIVER 30 to 300 kHz -10 Watts- for 48, 125, 250 V.D.C. with Optional Voice Communication