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See Product Specifications
| Part Number: | SI4431-B1-FMR |
| Category: | RF/IF and RFID |
| Subcategory: | RF Transceiver ICs |
| Manufacturer: | Silicon Labs |
| Packaging: | Tape & Reel (TR) |
| Product Status: | Not For New Designs |
| Type: | TxRx Only |
| RF Family/Standard: | General ISM < 1GHz |
| Protocol: | - |
| Modulation: | FSK, GFSK, OOK |
| Frequency: | 240MHz ~ 930MHz |
| Data Rate (Max): | 256kbps |
| Power - Output: | 13dBm (Max) |
| Sensitivity: | -121dBm |
| Memory Size: | - |
| Serial Interfaces: | SPI |
| GPIO: | 3 |
| Voltage - Supply: | 1.8V ~ 3.6V |
| Current - Receiving: | 18.5mA |
| Current - Transmitting: | 17mA ~ 30mA |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-VFQFN Exposed Pad |
| Supplier Device Package: | 20-QFN (4x4) |
