12.1＂电容式触摸屏WGJ12004A-GDA-A1参数：
| 产品型号(Model No.) | WGJ12004A-GDA-A1 |
| 触摸点数(Touch point) | 10 |
| 厚度(Thickness) | 2.0 mm |
| 外形尺寸(Outline Dimensional) | 335mm*200mm |
| 可视区域(View Area) | 311mm*176mm |
| 结构类型(Panel structure) | G+G |
| 操作温度(Temperature range) | -20℃～+70℃ |
| 储存温度(Humidity range) | -30℃～+80℃ |
| 工作电压(Working voltage) | DC5.0V |
| 线性精度(Linear equation) | ≤2% |
| 透光率(Optical Characteristics) | ≥87% |
| 表面硬度(Surface Hardness) | ≥ 6H |
