| Hom | Hom | Siv tau |
| LG (Sigma) | OPB-101 REV 1.0 OPB-100 REV 2.4 | LG (Sigma) of elevator |
LG Sigma of the elevator car communication board OPB-101 REV1.0 OPB-100 REV2.4. Yog xav paub ntxiv, thov koj xav tiv tauj peb. Peb muab ntau hom of elevator spare qhov chaw.