pressure recording apparatus; telemetry apparatus; network hubs; data retrieving devices; application software for mobile devices; cloud network monitoring software; data collection devices; pressure transmitters; electronic sensors and sensor controllers; automatic indicators of low pressure in tyres; automatic indicators of low pressure in vehicle tyres; sensors, detectors and monitoring instruments; measuring, detecting, monitoring and controlling devices; wireless signal repeaters; electronic monitoring apparatus, other than for medical purposes; pressure measuring instruments; measuring apparatus and instruments; radio apparatus; apparatus for the input, output, transmission and storage of data; remote monitoring equipment; wireless communication devices; mobile telecommunications apparatus; telecommunication devices and apparatus; telecommunications apparatus for use with mobile networks; telecommunication apparatus; radio receiving and transmitting apparatus; portable telecommunications apparatus; cellular telecommunications apparatus; wireless receivers; wireless controllers to monitor and control the functioning of electronic devices, other than controllers for gaming apparatus; telecommunication apparatus and instruments; sensors for real time data input apparatus; sensors for real time data output apparatus; detecting apparatus and instruments; measuring, detecting, monitoring and controlling apparatus; data transmitting apparatus; apparatus for the transmission and communication of data; electronic communication apparatus; point-to-point communications apparatus; communications apparatus; wireless signal transmitters; wireless transmitters; measuring apparatus, devices and instruments; electric or electronic sensors