The 9S13 radio target finder (Радиопеленгатор 9С13 "Поиск") is designed to detect and target airborne targets equipped with onboard pulsed radiotechnical means or radar bomber sight. It is a passive device receiving pulse signals in the centimeter wave band. The radio sight is portable, served by the shooter-operator. During operation, the basic sighting device is placed on the shooter's operator's chest, the antenna block either on the chest or on the helmet. The target signal is heard in the handset as a sequence of audio signals.

Minimum distance targeting and targeting: 
- for flight altitudes 3000m   20 to 25 km 
- for flight altitudes 300m     10 to 15 km 
Sector target finding in the direction of distance 12 km ... ... 55 
Ambient air temperature -50 - +50 C
Weight: 4kg (set)
Military production from Russia
Condition: Used. Not tested. For sale exact item as shown on the pictures. Military Surplus
This device would make a nice addition to any collection