The R-407 M was developed as a single channel full duplex radio-relay for either 2 or 4 wire connection. It was primary used in combination with other communication equipment either as an emergency link or during the set-up of a station. The equipment used valves throughout. Frequency range 52-60MHz. RF output 1 Watt. Modulation FM R/T only. Channel spacing 50kHz. Powered by two sets of 2.4V NiCad batteries. AF bandwidth 0.3-3.4 kHz. Ringing tone 30-50Hz. As a part of the project #Standby Ukraine for saving and digitization heritage the action in Ukraine is the team work of TOP PROJECT company and volunteers. Project coordinator, head of the company and 3D imaging scan by Vlad Tiunov πΊπ¦, 3D computing and texturing by Vitaly Yevsovich πΊπ¦, managing partner of the project Diana Hrynyuk πΊπ¦
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