He mea maʻamau ka TS177-201 a me QM177GY1, ma muli o ke kumu hoʻohālike. ʻO QM177GY1 ka helu kumu hoʻohālike mua, ʻo XAA177HP1 a me XAA177HP2 nā helu ʻāpana ʻaoʻao, a he huahana like nō lāua.