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| Part Number | SI4461-B1B-FM | SI4461-B1B-FMR | SI4464-B1B-FM | SI4461-B0B-FM |
|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Not For New Designs | Not For New Designs | Not For New Designs | Obsolete |
| Type | TxRx Only | TxRx Only | TxRx Only | TxRx Only |
| RF Family/Standard | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz | General ISM < 1GHz |
| Protocol | - | - | - | - |
| Modulation | 4GFSK, GFSK, GMSK, OOK | 4GFSK, GFSK, GMSK, OOK | 4GFSK, GFSK, GMSK, OOK | 4GFSK, GFSK, GMSK, OOK |
| Frequency | 119MHz ~ 1.05GHz | 119MHz ~ 1.05GHz | 119MHz ~ 1.05GHz | 119MHz ~ 1.05GHz |
| Data Rate (Max) | 1Mbps | 1Mbps | 1Mbps | 1Mbps |
| Power - Output | 16dBm (Max) | 16dBm (Max) | 20dBm (Max) | 16dBm (Max) |
| Sensitivity | -126dBm | -126dBm | -126dBm | -126dBm |
| Memory Size | - | - | - | - |
| Serial Interfaces | SPI | SPI | SPI | SPI |
| GPIO | 4 | 4 | 4 | 4 |
| Voltage - Supply | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Current - Receiving | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA | 10.7mA ~ 13.7mA |
| Current - Transmitting | 29mA ~ 43mA | 29mA ~ 43mA | 70mA ~ 85mA | 29mA ~ 43mA |
| Operating Temperature | -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 |
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) |
