Portable radio receiver "Alpinist-321".

Portable radio receivers and radios on p / p.DomesticThe Alpinist-321 portable radio receiver has been produced by the Voronezh PO Polyus since the 1st quarter of 1986. The radio receiver is a two-band DV, SV super heterodyne portable type powered by batteries and from the electrical network through a portable power supply unit. Frequency range: DV 148.5..283.5 kHz, SV 526.5..1606.5 kHz. The sensitivity of the radio receiver to the internal magnetic antenna in the ranges DV 1.5, SV 0.7 mV / m. Selectivity 30 dB. Rated output power 500, maximum 800 mW. The range of sound frequencies is 200 ... 3550 Hz. Powered by 4 elements A-343. The dimensions of the radio are 230x56x142 mm, its weight is 850 g. Since 1987, the receiver has been referred to as "Alpinist RP-321".