UM

is a HF amplifier, intended for increasing the power of the radios of small output
R 105 D, R 108 D, R 109 D and R-114.
Other radios of small output can also be amplified.
The UM is put on top of the radio. It consists of two parts, the amplifier and the power supply.

Frequency range:

20... 46.1 MHz, devided into three ranges.

Technical data:

Mass + weights:

Amplifier L/b/h: 185 x 120 x 170 mm; 3.3 kg.

Transmitting power

40 Watts.

Rated voltage

11-13 V.

Power input

10 A