European Telecommunications Standards Institute (ETSI)
Latest
ETSI TR 102 021-11-2011
ETSI TR 102 021-11-2011 history
2011ETSI TR 102 021-11-2011 Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 11: Over The Air Management (V1.1.1)