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The radio receiver RR-1 is a superheterodyne short wave radio receiver intended general field usage as a base station, mobile or small coastal vessels. Used in Regio Esercito and Regia Marina. The receiver covering a frequency range from 1,600 to 30,000 kilocycle (kc) is five bands. Band A 1,600 – 2,800 kc, Band B 2,800 – 5,000 kc, Band C 5,000 – 9,500 kc, Band D 9,000 – 17,000 kc, Band E 16,000 – 30,000 kc. The receiver is highly sensitive and selective and are designed for the reception of either continuous-wave (c-w) or amplitude-modulated (a-m) voice or tone signals The radio Receiver RR-1 can use the external psu AL5 110-125-140-160-220 Vca or storage battery 6 Vdc(LT) and 220 Vdc(HT).
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