TS177-201 thiab QM177GY1 yog cov khoom sib xws, nyob ntawm tus qauv. QM177GY1 yog tus lej qauv pem hauv ntej, XAA177HP1 thiab XAA177HP2 yog cov lej ntawm sab, thiab lawv yeej yog tib yam khoom.