# Trezor device naming in codebase
Development/Internal name consists of 4 keys
<product_class
> <platform
> <feature_class
> <generation
>
product_class
-'T'
for Trezor hardware walletplatform
-'1'
for STM32F207,'2'
for STM32F42xfeature_class
-'B'
for Buttons,'T'
for Touchgeneration
Official name | Development name |
---|---|
Trezor Model 1 | T1B1 |
Trezor Model T | T2T1 |
Trezor Model R | T2B1 |