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ETSI TR 102021-4-V1.2.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 4: Air Interface Enhancements
Standard published on 4.5.2004
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ETSI TR 102021-4-V1.3.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 4: Air Interface Enhancements
Standard published on 24.5.2006
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ETSI TR 102021-4-V1.4.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 4: Air Interface Enhancements
Standard published on 17.8.2011
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ETSI TR 102021-5-V1.1.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 5: Interworking and Roaming
Standard published on 31.5.2002
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ETSI TR 102021-5-V1.2.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 5: Interworking and Roaming
Standard published on 22.12.2010
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ETSI TR 102021-6-V1.1.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 6: Subscriber Identity Module (SIM)
Standard published on 9.8.2002
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ETSI TR 102021-6-V1.2.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 6: Smart Card (SC) and Subscriber Identity Module (SIM)
Standard published on 11.8.2011
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ETSI TR 102021-7-V1.1.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 7: Security
Standard published on 6.12.2001
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ETSI TR 102021-7-V1.2.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 7: Security
Standard published on 25.10.2002
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ETSI TR 102021-7-V1.3.1
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Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 7: Security
Standard published on 22.12.2010
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