RTX mod. BC1000 - (U.S.A. 1944) - Portable radio set operating in FM mode in band 40 - 48 MHz. Receiver with double frequency conversion, I.F.: 4,3 MHz and 2,5 MHz. Transmitter output 0,5 W. Employed n. 18 valves: (2) 3A4, (6) 1T4, (5) 1L4, (1) 1R5, (1) 1A3, (3) 1S5. Battery with tension output: 4,5 V, 90 V, 150 V. Weight 15 Kg.