Radio stations RSI-4
The "Radio Stancija Istrebitělja" type 4 (RSI-4) on-board radio station was built into Soviet fighter aircraft produced during World War II and used by our Air Force after the war - the La-5FN (S-95), La-7 (S-97), and the older series of Il-2 (B-31) fighter aircraft.
Frequency range (VF / KV) 3,75 to 6 Mc/s (MHz).
Source: LZP Regulation No. 058633 - VL/LZS 1953
(The attached picture shows the receiver from the RSI-4 set)
The "Radio Stancija Istrebitělja" type 4 (RSI-4) on-board radio station was built into Soviet fighter aircraft produced during World War II and used by our Air Force after the war - the La-5FN (S-95), La-7 (S-97), and the older series of Il-2 (B-31) fighter aircraft.
Frequency range (VF / KV) 3,75 to 6 Mc/s (MHz).
Source: LZP Regulation No. 058633 - VL/LZS 1953
(The attached picture shows the receiver from the RSI-4 set)