Remote Activation Munition System
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The Remote Activation Munition System (RAMS) is a radio frequency controlled system that is used to remotely detonate
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. It can also be used to remotely operate electronic equipment such as beacons, laser markers, and radios. RAMS was developed by a team of researchers led by James Chopak at the Army Research Laboratory from 1996 to 2000. The system consists of a transmitter and two different types of receivers, one to initiate
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and one to initiate C4 directly. RAMS was designed to serve as a more portable and convenient alternative to conventional remote activation systems like the model XM-122, which was considered too big, heavy, and fragile for efficient use. In addition, the XM-122 was limited in its range (about 1 km) and relied on very large high capacity batteries. In contrast, the RAMS weighed only a couple pounds and its microprocessor-based transmitter was powered by at most seven standard 9-volt batteries. The device was capable of reaching a range up to 2 kilometers, and the combination of the
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in the receivers and the FM detector circuit made it possible to maintain high signal sensitivity at a low power consumption rate. In addition, the RAMS was operational in harsh environments with temperatures as low as and as high as . It was also capable of functioning when submerged in saltwater, up to depths of . However, testing performed by the Army Research Laboratory have found that due to the low power levels of the RAMS receiver’s electrical signals output, the system has demonstrated a noticeable level of unreliability in performance past a certain distance. More modern versions of the RAMS can weigh as little as and can reach a range of more than 5 kilometers, allowing operators to stand farther away from the blast at a safer distance.


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