| Specification | ASTE024RTS/ASTE024NTS | ASTE028RTS/ASTE028NTS |
|---|---|---|
| Display | 2.4″ TFT LCD | 2.8″ TFT LCD |
| Color | 65535 colors | 65535 colors |
| Resolution (Px) | 320 x 240 | 320 x 240 |
| Brightness | 250 cd/m² | 250 cd/m² |
| Backlight | LED | LED |
| LED Lifetime | 20,000 hours | 20,000 hours |
| Touchscreen | ASTE024RTS 4-wire industrial resistive touchscreen (Surface hardness: 4H) | ASTE028RTS 4-wire industrial resistive touchscreen (Surface hardness: 4H) |
| CPU | 96MHz M0 | 96MHz M0 |
| Memory | 4Mbyte SPI NOR Flash | 4Mbyte SPI NOR Flash |
| RTC (Real-time Clock) | None | None |
| Buzzer | None | None |
| Power-off Data Retention | Not supported | Not supported |
| USB Port | None | None |
| Program Download Method | SD Card Download | SD Card Download |
| USB Drive | Not supported | Not supported |
| Communication Port | ASTE024RTS: TTL serial communication (with touch) ASTE024NTS: TTL serial communication (without touch) | ASTE028RTS: TTL serial communication (with touch) ASTE028NTS: TTL serial communication (without touch) |
| Rated Power | 0.5W | 0.5W |
| Rated Voltage | DC 5V (No reverse polarity protection) | DC 5V (No reverse polarity protection) |
| Operating Temperature | -10℃~50℃ | -10℃~50℃ |
| Storage Temperature | -30℃~70℃ | -30℃~70℃ |