Army No. 11 Wireless Set
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The No. 11 Wireless Set was a wireless radio used by the British Army, during World War II, having been designed in 1938 to replace the 1933 No. 1 wireless set.
The set is sometimes incorrectly referred to as the 'Number II'; the British Army used Arabic numerals to designate radios, and the 'number two' was a larger, small-run unit for divisional communications.
The unit had an operational voice range of 15 miles, although the Long Range Desert Group used the radio to transmit Morse in excess of 1,500 miles (a feat which was only possible at certain times of the day).
