Field Telephones of the Red Army
- USSR field telephone with phonetic signaling, model 1928.
Housed in a wooden cabinet, using 3 VDC internal battery.
WHD = 277 х 244 х 100 mm, weight (with battery) 4.6 kg.
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unit and model UNA-I-28 with magneto signaling have been the very first field
telephones manufactured for the Red Army (Soviet Union armed forces) by the
USSR industry. The next generation of Red Army field telephones were 1931
models (UNA-F-31 and UNA-I-31).