From EBay I got this old transceiver.
R-105 M (R-108m, R-109 M) is a portable and a mobile backpack. Operating mode is F3, simplex. It can be operated by remote control and used at relay operation.
It co-operates with R-107, R-111, R-123; of course also with R-105d, R-108d and R-109d. Build in the 60ies.

Frequency range:
36.0… 46.1 MHz.

Modes: FM
Mass + weights:  L/b/h: 310 x 170 x 325 mm; 14 kg.
Transmitting power: 1 Watt.
Frequency departure: + – 4 kHz, which can be controlled with the inserted xtal calibration generator.
Sensitivity: 2 UV during signal/signal-to-noise ratio of 20 dB
Accessories: Kulikow antenna and Telephone handset.
Batteries: 2 times HKN-20. I use a 6V 4500 mAH accumulator with a little circuit for 2x 2.5V +/-