Alpinist 321 Shema 〈VALIDATED ◆〉

It features a dual-band design covering LW (148.5–283.5 kHz) and MW (526.5–1606.5 kHz) . Using its internal magnetic antenna, it achieves a sensitivity of 1.5 mV/m on LW and 0.7 mV/m on MW, with a selectivity of 30 dB.

The (later renamed Alpinist RP-321 under new GOST standards in 1987) is a portable Soviet-era superheterodyne radio receiver produced by the Voronezh Polus enterprise starting in 1986. Technical Review & Performance alpinist 321 shema

The Alpinist 321 schematic reveals a classic superheterodyne architecture typical of late-Soviet consumer electronics: It features a dual-band design covering LW (148