Hello,

Biotechnology covers a broader scope in natural sciences, while the principles of biomedical engineering are mainly on medicine and engineering principles.

Biotechnology is any technological application that uses biological systems, living organisms or derivatives thereof, to make or modify products or processes for specific use while Medical biotechnology refers to the application of engineering and technology principles to the domain of living or biological systems.

If you have interest in medicine, the Biomedical technology may be a better choice but if you have more interest in biology and microbiology, then go for Biotechnology