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| File Name | Size | Date of Update |
|---|---|---|
| GT20 | 3,972KB | 11/10/2015 |
| File Name | Size | Date of Update | |
|---|---|---|---|
| Active USB-COM Port Driver | 3,800KB | 01/22/2025 | detail |
| Scanner Setting 2D | - | 05/13/2025 | detail |
| Keyboard Interface Software(QR_kbif) | 8,317KB | 10/01/2020 | detail |
| File Name | Size | Date of Update | |
|---|---|---|---|
| Declaration of Conformity for Vietnam | 74KB | 09/10/2019 | detail |
| CH-GT20L DECLARATION OF CONFORMITY | 267KB | 09/22/2022 | detail |
| AC Adaptor AD2-03 (type: AWW050150) DECLARATION OF CONFORMITY | - | 09/22/2022 | detail |
| GT20Q-SM DECLARATION OF CONFORMITY | 253KB | 11/04/2022 | detail |
| GT20Q-SB DECLARATION OF CONFORMITY | 229KB | 11/30/2021 | detail |
| GT20B-SM DECLARATION OF CONFORMITY | 253KB | 11/04/2022 | detail |
| GT20B-SB DECLARATION OF CONFORMITY | 229KB | 11/30/2021 | detail |
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