Radio `` R-251 '' (Dolphin).

Receiving and transmitting radio equipment.The radio "R-251" (Dolphin) has been produced since 1954. By design and design, it is similar to the "R-252" and "R-310" differing in years of production and ranges. "R-251" is designed to intercept TLF or TLG signals in car radio centers and receiving points. Designed for round-the-clock work. Range 1 ... 10 MHz. Sensitivity in TLG is 2 µV, in TLF 5 µV. Power supply - electrical network or batteries. Receiver dimensions 550x400x420 mm, weight 66.5 kg.