Soviet VHF transceiver A7 Wikipedia
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:Frequency range: A7a, 27-32 MHz; A7b, 24-28 MHz
Modulation: FM, 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