R1155 Receiver on top of a T1154 Transmitter.
The wireless operator on an Avro Lancaster speaking to the pilot from his position in front of the Marconi T1154/R1155 transmitter/receiver set, circa 1943
Inspection of an R1155

The R1155 was a British communications receiver, commonly used in aircraft along with its associated T1154 transmitter. It was used extensively by the Royal Air Force during World War II, mainly in larger aircraft such as the Avro Lancaster, Handley Page Halifax, Vickers Wellington and Short Sunderland. Some were also used in vehicles and air-sea rescue launches.

The R1155 and T1154 sets were manufactured by several British radio manufacturers, including EKCO, Marconi, Plessey, and EMI. Ekco, who manufactured the R1155 and T1154 at its Aylesbury shadow factory, carried out extensive development work on both units before putting them into production, significantly improving on the original Marconi design.

Large numbers of war surplus R1155 radios were modified for private use postwar.

Different models

Receiver nameCase materialInformationFrequency ranges
R1155Aluminium18.5 MHz to 3 MHz

& 1500 kHz to 500 kHz & 500 kHz to 75 kHz

R1155DSteelSame as model with no suffixSame as model with no suffix
R1155AAluminiumFilters fitted to prevent interferenceSame as model with no suffix
R1155ESteelSame as model ASame as model with no suffix
R1155MAluminiumSame as model A but for use only at ground schoolsSame as model with no suffix
R1155BAluminiumSame as A or E but with HF chokes added to prevent interferenceSame as model with no suffix
R1155FSteelSame as BSame as model with no suffix
R1155CAluminiumSame as A but modified for HF, direction finding obsolete.Same as model with no suffix
R1155LAluminiumAs B or F but with altered frequency ranges18.5 MHz to 600 kHz

& 500 kHz to 200 kHz

R1155NSteelSame as LSame as L

See also


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