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| ![STM300 STM300](https://oss.origin-ic.net/productThumbImages/STM300_tmb.jpg) | RX TXRX MODULE ISM < 1GHZ SMD | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | Module | 868MHz | 7dbm | 24mA | -25°C ~ 85°C | - | General ISM < 1GHz | - | -98dBm | 32kB Flash, 2kB SRAM | - | 33mA | 125kbps | Scavenger | ASK | Antenna Not Included | 2.1V ~ 4.5V |
| ![STM300C STM300C](https://oss.origin-ic.net/productThumbImages/STM300C_tmb.jpg) | RX TXRX MODULE ISM < 1GHZ SMD | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | Module | 315MHz | 9.5dBm | 24mA | -25°C ~ 85°C | - | General ISM < 1GHz | - | -96dBm | 32kB Flash, 2kB SRAM | - | 33mA | 125kbps | Scavenger | ASK | Antenna Not Included | 2.1V ~ 4.5V |
| ![STM300U STM300U](https://oss.origin-ic.net/productThumbImages/MFG_STM300U_tmb.jpg) | RF TXRX MODULE ISM < 1GHZ SMD | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | Module | 902MHz | 9.5dBm | 24mA | -25°C ~ 85°C | - | General ISM < 1GHz | - | -98dBm | 32kB Flash, 2kB SRAM | - | 33mA | 125kbps | Scavenger | FSK | Antenna Not Included | 2.1V ~ 4.5V |