UNA-I-31: The Main Red Army Field Telephone

A review of the UNA-I-31, the main Red Army field telephone at the beginning of the WW2. We explore its history, design and technical features, and test how it works in practice. 0:00 General overview 0:15 A quick note 1:16 How it appeared 3:52 What’s inside? 5:21 Batteries 5:56 Handset 7:32 Functionality test 8:23 Connecting to a line 9:03 Communication quality #ww2 #telephone #redarmy #reenactment #communications