| Manufacturer | Part Number | Description |
|---|---|---|
| ETC Unknown Manufacturer | HS2272 | Remote control decoding circuit |
| ETC Unknown Manufacturer | HS2272C | remote control decoder ASIC |
| ETC Unknown Manufacturer | HS2272C-YX | remote control decoder ASIC |
| Shenzhen Haohai Shenzhen Haohai | HS2272 | Remote control decoding |
| ETC Unknown Manufacturer | HS2272A-YX | remote control decoder ASIC |
| ETC Unknown Manufacturer | HS2272B-YX | remote control decoder ASIC |