Basic Understandings

About Tetra Orders for Industry and Authorities:

• TEA 0 Clear Mode = run this Device without Air Encryption. Use the digital mode opportunties on the civil Frequencies that are allowed inside the 430-440 MHz Band. For  Radioamateurs the Band ends at 430MHz so last DMO frequency is 430.0125 with EADS Tetra Radios. For Private Users: Use 420.000 and 419.99375 MHz Frequencies. 

• TEA1 TUI = Use this Device inside the Industry or Civil Tetra Network where you are granted to do operation as like Municipals that offers local companies access to that TUI Tetra Network so inside 410-430 MHz Band

• TEA2 Authorities / BOS : You are allowed to buy TETRA Accessories and TETRA TEA2  Radio Terminals if you belong to such division. 380-400 and 400-405 MHz Band

• TEA3 is used for outside EU for 380-430 MHz Band. ( nevertheless these can be used without TEA Encryption for Radio Amateur inside the 410-430 MHz Band - Check the RC-Level - should be wideband - narrow Band is 380-400 , wideband is 380-430 MHz )