TRANSMITTERS & TRANSCEIVERS

Type 689 Transceiver

DATE OF DESIGN

FREQUENCY RANGE

Tx - 156.05 to 157.4 MHz.
Rx - Simplex 156.3 to 156.8 MHz
Rx - Duplex 160.65 to 162 MHz.

POWER SUPPLIES

100 to 150 Volts 40 to 60 Hz, 190 to 240 Volts 40 to 60 Hz

RANGE IN MILES.

TYPE OF SET (VALVES USED)

WAVEFORM

F3.

ASSOCIATED WAVEMETER.

METHOD OF PRODUCING OSCILLATIONS

WHERE USED/FITTED

Provides direct inter-ship communication and communication between ship and harboour with docking or pilot services.

FURTHER READING

Details of Type 689
Type 689 Remote Control Box

PHOTOS, SCHEMATICS, DOCUMENTS

Photographs.

NOTES.

BR 2305