R1155
# 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 name | Case material | Information | Frequency ranges |
| - | - | - | - |
| R1155 | Aluminium | | 18.5 MHz to 3 MHz & 1500 kHz to 500 kHz & 500 kHz to 75 kHz |
| R1155D | Steel | Same as model with no suffix | Same as model with no suffix |
| R1155A | Aluminium | Filters fitted to prevent interference | Same as model with no suffix |
| R1155E | Steel | Same as model A | Same as model with no suffix |
| R1155M | Aluminium | Same as model A but for use only at ground schools | Same as model with no suffix |
| R1155B | Aluminium | Same as A or E but with HF chokes added to prevent interference | Same as model with no suffix |
| R1155F | Steel | Same as B | Same as model with no suffix |
| R1155C | Aluminium | Same as A but modified for HF, direction finding obsolete. | Same as model with no suffix |
| R1155L | Aluminium | As B or F but with altered frequency ranges | 18.5 MHz to 600 kHz & 500 kHz to 200 kHz |
| R1155N | Steel | Same as L | Same as L |
