HF Radio receiver Krot, developed in 1947 based on the ideas of designs captured German radio Koeln E 52b, Telefunken T9K39 etc. Produced from 1948 to 1952 at the Kharkov radio factory number 158. HF Radio receiver Krot-M, was produced from 1953 to 1960.
Adjustment range frequencies. 1.5 – 24 MHz.