Soviet VHF transceiver A7
Encyclopedia
The Soviet A7 VHF transceiver (later models include the A7a and A7b) was developed during World War II
and used for communication in rifle brigades and regiments. The complete station was designed to be transported by an individual soldier.
Specifications and notes:
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...
and used for communication in rifle brigades and regiments. The complete station was designed to be transported by an individual soldier.
Specifications and notes:
- Frequency range: A7a, 27-32MHz; A7b, 24-28MHz
- Modulation: FMFrequency modulationIn telecommunications and signal processing, frequency modulation conveys information over a carrier wave by varying its instantaneous frequency. This contrasts with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant...
, R/T (radiotelephone) only - Powered by 2.4V NiCads and 180V dry battery fitted in carrying case
- The A7b was produced locally in satellite countries in the 1950s and the beginnings of 1960s