Eastern Portables

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      PS 31
R-104 M
      R-105 D






  R-104 M

is a Russian short wave radio from the first years of the NVA. The complete set is found in a vehicle; the device alone with power supplying pack could be used also portable or stationarily.

The following picture from left to the right:
Spare part suit-case, R-104, Power supplying pack, Transverter, antenna bag, Supplement for symmetrical antennas, radio operator`s bag,

Accessories for R-125:
(radio operator desk, commander desk, antenna switch, 2 x antenna filter, 2 x Transverter f. UM)

Switchable Frequency Range:

1,500... 4,250 kHz :
Range 1: 1,500... 2,880 kHz
Range 2: 2,880... 4,250 kHz


Technical data:
Mass + weights:
Radio: L/b/h: 445 x 290 x 255 mm; 22 kg.
Wooden box: L/b/h: 675x 425 x 330 mm; 44 kg.
Transmitting power
A1: Portable: 3,5 W, mobile: 20 W
A3: Portable: 1,0 W, mobile: 10 W
Ranges: portable mobile
Blade antenna A1 30 km 50 km
Long wire A1 50 km 50 km
Current supply
portable: with Power Supplying Pack with batteries;
mobile: added to above a Transverter at 12 V.
A1: 4 UV, A3: 8 UV.
Sections of the radio:
Wooden box
R-104 pack (Transceiver), potential transformer, stretcher belt, back cushion, headphone, long wire antenna, blade antenna 2,7m, Kulikov antenna.
In the radio operator's bag,
Telephone handset, long wire antenna, hand lamp, screwdriver.
In the antenna bag (a large extra bag):
12-m-Mast with all necessary material
2 times 2,4 NC 25
  This topic:
Batteries and cells of the Warsow Pakt

         power supply