UM

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