yes implied consent does state by having a license it IMPLIES you have waived any objections to blood or breath tests.
However here we have police complaining about people using tech to just avoid the issue entirely.
Remember these “checkpoints” all have chase vehicles to catch those who make a u turn to avoid the hassle of the checkpoint. The police ASSUME guilt. In theory you are supposed to be able to select not to go through, in practice the police don’t care.
If you refuse you are subjected to criminal penalties including incarceration.