Penicillin or 1B75 Penicillin is an acoustic-thermal artillery-reconnaissance system developed by Ruselectronics for the Russian Armed Forces. The system aims to detect and locate enemy artillery, mortars, MLRs, and anti-aircraft or tactical-missile firing positions with seismic and acoustic sensors without emitting any radio waves. It locates enemy fire within 5 seconds at a range of . Penicillin completed state trials in December 2018 and entered combat duty in 2020.
The Penicillin is mounted on the 8x8 Kamaz-6350 chassis and consists of a 1B75 sensor suite placed on a telescopic boom for the infrared and visible spectrum as well as several ground-installed seismic and acoustic receivers as a part of the 1B76 sensor suite. It has an effective range for communication with other military assets up to and is capable of operating even in a fully automatic mode without any crew. One system can reportedly cover an entire division against an enemy fire. Besides that, it co-ordinates and corrects friendly artillery fire.