# Trezor device naming in codebase

Development/Internal name consists of 4 keys <product_class> <platform> <feature_class> <generation>

  • product_class - 'T' for Trezor hardware wallet
  • platform - '1' for STM32F207, '2' for STM32F42x
  • feature_class - 'B' for Buttons, 'T' for Touch
  • generation
Official nameDevelopment name
Trezor Model 1T1B1
Trezor Model TT2T1
Trezor Model RT2B1