9 Acoustic warning apparatus; coded signalling apparatus; infrared optical apparatus; measurement apparatus; optical measurement apparatus; signal transmission apparatus; remote monitoring apparatus; speed measuring apparatus; transmitting apparatus; viewing apparatus; electromagnetic interference filters; filters for radio interference suppression; radio-frequency components; aerial reconnaissance apparatus; antennae apparatus; antennae filters; radio-frequency antennas; antennas; converters for analogue signals; circuit boards; optical sensors; laser range finders; lasers, not for medical purposes; downloadable software applications (apps); apparatus for the guidance of weapons; electronic apparatus for counter-jamming weapon systems; electronic apparatus for jamming weapons systems; radar receivers for use with weapons systems; radar transmitters for use with weapons systems; radio wave transmitting aerials for use with weapons systems; weapons control apparatus; electronic navigation, surveying, photographic, audiovisual, measuring, signalling and detecting apparatus for military purposes; receiving terminals for signals; modulators; sonar apparatus