R-105D Astra-3 (Р-105Д Астра-3) is a VHF portable radio transceiver used by the Soviet military. thumb|R-105D transceiver
R-105D Astra-3 (Р-105Д Астра-3) is a VHF portable radio transceiver used by the Soviet military. thumb|R-105D transceiver
The first prototype of the Astra (Астра) series of radio transceivers was developed in the late 1940s at the Scientific Research and Test Institute for Communications of the Army (NIIIS SV) as a replacement for the A-7 series radio sets. They entered service with the Soviet armed forces in 1952. It was superseded by the R-105M Parus-3 (P-105M Парус-3) set in 1967.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).