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| PartNumber | SI1033 | SI1033-A-GMR | SI1033-A-GM |
| Description | Microcontrollers - MCU RF Microcontrollers - MCU 16kB, 4kB RAM +20dBm, LCD, XCVR | Microcontrollers - MCU RF Microcontrollers - MCU 16KB 4KB RAM PRGRM XCVR, DC-DC | |
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Category | RF Transceiver ICs | RF Transceiver ICs | RF Transceiver ICs |
| Series | - | - | - |
| Type | TxRx + MCU | TxRx + MCU | TxRx + MCU |
| Packaging | Tray | Tape & Reel (TR) | Tray |
| Package Case | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad |
| Frequency | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Sensitivity | -121dBm | -121dBm | -121dBm |
| Voltage Supply | 1.8 V ~ 3.8 V | 1.8 V ~ 3.8 V | 1.8 V ~ 3.8 V |
| Memory Size | 16kB Flash, 4.4kB RAM | 16kB Flash, 4.4kB RAM | 16kB Flash, 4.4kB RAM |
| Protocol | EZRadioPro | EZRadioPro | EZRadioPro |
| Data Rate Max | 256kbps | 256kbps | 256kbps |
| Serial Interfaces | I2C, SPI, UART | I2C, SPI, UART | I2C, SPI, UART |
| Power Output | 20dBm (Max) | 20dBm (Max) | 20dBm (Max) |
| Current Receiving | 18.5mA | 18.5mA | 18.5mA |
| RF Family Standard | General ISM | General ISM | General ISM |
| Modulation | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK |
| GPIO | 53 | 53 | 53 |
| Current Transmitting | 85mA | 85mA | 85mA |