USSR Military Field Telephones TA-57 Soviet Russian Vintage BAKELITE PHONE New

Description

USSR Military Field Telephones TA-57 Soviet Russian Vintage
BAKELITE
PHONE
New, in original box.
With original Belt.
UNTESTED.
Made in USSR 1980-s
Original 100%
INFO:
A portable field telephone ТА57
designed to provide high-quality communication anytime and in any conditions. Many years of TA-57 is in service with the armies of several States.
Successfully used the TA-57 is not only in combat.
This lightweight and compact field telephone (its weight does not exceed W kg) were not interchangeable for geologists, oil and gazodobytchikov, as well as in rural areas.
TA-57 provides high quality communication over two-wire lines in any climate, from the Arctic to the tropics. TA-57 overlaps the attenuation of 48 dB, which ensures reliable communication:
- field cable lines P-274 to 44 km;
- for overhead lines with diameter of wires 3 mm to 150-250 km.
TA-57 camera system local battery (MB) with the inductor call may also be included in the telephone exchange system Central battery (CB).
TA-57 can be used to remotely control the radio using the switch on the Communicator handset.
The power supply unit from the battery GB-th-I-n or 6 elements A-306 prima stacked in the cassette WP. 5.961.001 TU.
The scheme of the device is protected from lightning discharges near the lines and withstand voltage AC up to 900 V in case of accidental touch of the line with wires of the mains.
Specifications:
Name of parameter Value operating Conditions when the machine's main power from the battery GB-th-B-1,3:
- ambient air temperature
- relative humidity
-50 °C to + 50 °C
up to 98% at 40 °C operating Conditions at the power supply unit from the elements of A-316 prima:
- ambient air temperature
- relative humidity
from minus 10 °to plus 40 °C
up to 80% at +20 °C Weight maximum 3kg dimensions, mm 222х165х80
I guarantee very good packaging.