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| Part Number | SI1021-B-GM3 | SI1021-B-GMR | SI1027-B-GM3 | SI1023-B-GM3 | SI1026-B-GM3 | SI1022-B-GM3 | SI1025-B-GM3 | SI1031-B-GM3 | SI1021-B-GM3R | SI1024-B-GM3 | SI1020-B-GM3 | SI1021-B-GM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Not For New Designs | Active | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Active |
| Type | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU | TxRx + MCU |
| RF Family/Standard | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz |
| Protocol | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro | EZRadioPro |
| Modulation | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK |
| Frequency | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz | 240MHz ~ 960MHz |
| Data Rate (Max) | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps | 256Kbps |
| Power - Output | 20dBm (Max) | 20dBm (Max) | 13dBm (Max) | 20dBm (Max) | 13dBm (Max) | 20dBm (Max) | 13dBm (Max) | 20dBm (Max) | 20dBm (Max) | 13dBm (Max) | 20dBm (Max) | 20dBm (Max) |
| Sensitivity | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm | -121dBm |
| Memory Size | 64kB Flash, 8.5kB RAM | 32kB Flash, 8.5kB RAM | 16kB Flash, 4.4kB RAM | 16kB Flash, 4.4kB RAM | 32kB Flash, 8.5kB RAM | 32kB Flash, 8.5kB RAM | 64kB Flash, 8.5kB RAM | 64kB Flash, 8.5kB RAM | 64kB Flash, 8.5kB RAM | 128kB Flash, 8.5kB RAM | 128kB Flash, 8.5kB RAM | 64kB Flash, 8.5kB RAM |
| Serial Interfaces | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART | I²C, SPI, UART |
| GPIO | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 53 |
| Voltage - Supply | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V | 1.8V ~ 3.8V |
| Current - Receiving | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA | 18.5mA |
| Current - Transmitting | 85mA | 85mA | 17mA ~ 30mA | 85mA | 17mA ~ 30mA | 85mA | 17mA ~ 30mA | 85mA | 85mA | 17mA ~ 30mA | 30mA | 85mA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad | 85-VFLGA Exposed Pad |
| Supplier Device Package | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) | 85-LGA (6x8) |
