Since 2019 OfCom have issued 3 NoV’s for Tetra Repeaters for GB7ET, GB7PR & GB7RM. More Tetra repeaters might show up in future. If you want to use Tetra in DMO mode for simplex in UK as amateur radio licence holder you can try following settings to program the Tetra set.
  • Your set encryption must be CLEAR R07.000.xxxx (TEA1, TEA2 or any other encryption is not allowed as per licencing conditions)
  • ISSI will be you DMR ID which can be obtained by
  • TG (Talk Group) will be 10
  • MCC will be 753
  • MNC will be 2361
  • Frequency for DMO simplex is 430.3125 MHz
73’s 2E0UMR.