Terrestrial trunked radio (TETRA) system is a communication standard established by the European Telecommunications Standards Institute (ETSI) to meet the needs of professional mobile radio (PMR), walkie-talkies, and public access mobile radio (PAMR). The global terrestrial trunked radio (TETRA) system market size is expected to reach $8.57 billion by 2030 from $2.14 billion in 2020, …