Portable radio `` Alpinist RP-221 ''.

Portable radio receivers and radios on p / p.DomesticThe Alpinist RP-221 portable radio receiver has been produced by the Voronezh PO Polyus since 1990. The radio receiver is a 2-band DV and SV superheterodyne of a portable type of the 2nd group of complexity with power supply from batteries or an electrical network of 220 V through an external power supply unit. Technical parameters: The sensitivity of the radio receiver to the internal magnetic antenna in the range of DV 1.5, SV 0.7 mV / m. Selectivity not less than 30 dB. Rated output power 400, maximum 750 mW. The range of reproducible sound frequencies is 200 ... 3550 Hz. Powered by 4 elements of the A-343 type. Receiver dimensions 230x56x142 mm, weight 0.85 kg. The Alpinist RP-221 radio receiver is a copy of the Alpinist-321 serial radio receiver of the third complexity group, which has been produced since 1986.