RT-841/PRC-77 one of the most effective

one of the most effective naval defense systems in modern warfare

6–7 rounds (depending on barrel length)

Commonly used in Howitzers and Mortars

It was the first commercial rimless

RT-841/PRC-77 one of the most effectiveBrief History of the RT 841 PRC 77 The RT 841 is the core VHF (Very High Frequency) FM transceiver component of the AN PRC 77 manpack radio system, a portable battlefield communication device developed for the U. S. military in the late 1960s. Introduced around 19681971 as an upgrade to the earlier AN PRC 25, it eliminated the vacuum tube in the final power amplifier stage by using transistors, improving reliability and power efficiency while running