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| Part Number | SI4031-B1-FMR | SI4032-B1-FMR | SI4030-B1-FMR | SI4031-B1-FM |
|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Product Status | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs |
| Frequency | 240MHz ~ 930MHz | 240MHz ~ 930MHz | 900MHz ~ 960MHz | 240MHz ~ 930MHz |
| Applications | General Purpose | General Purpose | General Purpose | General Purpose |
| Modulation or Protocol | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK | FSK, GFSK, OOK |
| Data Rate (Max) | 256Kbps | 256Kbps | 256Kbps | 256Kbps |
| Power - Output | 13dBm | 20dBm | 13dBm | 13dBm |
| Current - Transmitting | 30mA | 30mA | 30mA | 30mA |
| Data Interface | PCB, Surface Mount | PCB, Surface Mount | PCB, Surface Mount | PCB, Surface Mount |
| Antenna Connector | PCB, Surface Mount | PCB, Surface Mount | PCB, Surface Mount | PCB, Surface Mount |
| Memory Size | - | - | - | - |
| Features | - | - | - | - |
| Voltage - Supply | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V |
| 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) |
