TA-57
The TA-57 is a field telephone developed in the 1950s in what was then the Soviet Union . It was produced in large numbers and used by the Soviet Army and numerous other armed forces. It was also used in disaster control , railroads and mining .
The TA-57 was added to the armament of the Soviet Army in 1957. The construction was based on that of the field telephone TAI-43 , which in turn represented a further development of the German field telephone FF-33 .
The TA-57 is used to transmit voice messages in the frequency range from 0.3 to 3.4 kHz. It can be used both in the local battery and in the central battery operation. Furthermore, radio devices set up for this purpose can be remote-controlled with it. Power is supplied via a built-in lead accumulator GB-U-1.3 (ГБ-10-У-1.3) with a nominal voltage of ten volts and a capacity of 1.3 ampere hours. Alternatively, a block battery with a nominal voltage of nine volts can be used. In local battery operation, a crank inductor is used to generate the ringing voltage . The housing of the field telephone is made of Bakelite and has a shoulder strap for carrying the device. The weight is 2.8 kg. The dimensions are 222 × 165 × 79 mm.
Depending on the type of cable used, the following ranges can be achieved with the TA-57:
- Field cable P-275 (П-275) - up to 20 km;
- Field cable P-274 (П-274) - up to 40 km;
- Field cable P-271 (П-271);
- Field cable P-268 (П-268) - 40 to 45 km;
- Overhead line PWLS (ПВЛС) - 150-170 km.
The TA-57 was used in the communications units of the Soviet Army. It was also part of the equipment for command vehicles and radio sets. With the export of these he was also used in the equipment of numerous other armed forces.
