| Part Number | SI4455-B1A-FMR | SI4455-B1A-FM |
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs |
| Category | RF Transceiver ICs | RF Transceiver ICs |
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| Product Status | Not For New Designs | Not For New Designs |
| Type | TxRx Only | TxRx Only |
| RF Family/Standard | General ISM < 1GHz | General ISM < 1GHz |
| Protocol | - | - |
| Modulation | FSK, GFSK, OOK | FSK, GFSK, OOK |
| Frequency | 283MHz ~ 960MHz | 283MHz ~ 960MHz |
| Data Rate (Max) | 500kbps | 500kbps |
| Power - Output | 13dBm (Max) | 13dBm (Max) |
| Sensitivity | -116dBm | -116dBm |
| Memory Size | - | - |
| Serial Interfaces | SPI | SPI |
| GPIO | 4 | 4 |
| Voltage - Supply | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| Current - Receiving | 10mA | 10mA |
| Current - Transmitting | 18mA ~ 30mA | 18mA ~ 30mA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (3x3) | 20-QFN (3x3) |