KTC3531T KTC3531T-GR-RTK/P KTC3531T-G-RTK/P KTC3531T-RTK KTC3531T-RTK/P KTC3531T-Y-RTK/P KTC3531T-Y-RTK/P W KTC3531T-Y-RTK/PW KTC3532T KTC3532T -RTK/P