Date of Design The Type 44 is a low power valve transmitter consisting of a main low power transmitter and a secondary very low power transmitter. The dates of design are 1928 through to 1930.
Frequency Range
Transmitter 4L 4H with attachment
Frequency range 272-1429 kc/s 375-1765 kc/s
Power supply  1.5kW Motor Generator Ships mains or 6V Battery
Valves used 2 2
Wave form  ICW  ICW
Associated wavemeter 1492B or G9 1492B or G9
Approximate range in miles 100 10
Date of design 1928 1925. Attachment 1930.
Power Supply See above to Frequency Range.
Type of Set See above to Frequency Range.
Wave Form See above to Frequency Range.
Method of Producing Oscillations Self
Where used/fitted. Type 44. It is a low power valve set with an even lower powered transmitter as a standby.  It is fitted in in the Second  W/T Office of Flotilla Leaders.
Associated Wavemeter See above to Frequency Range.
Small Schematic

Open this file to see the full Type 44 schematic TYPE 44.pdf

Photographs

4H and 4L transmitters