| Part Number | SI4311-B12-GMR | SI4311-B1C-GMR |
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs |
| Category | RF Receivers | RF Receivers |
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| Product Status | Obsolete | Obsolete |
| Frequency | 315MHz, 434MHz | 315MHz, 434MHz |
| Sensitivity | -104dBm | -104dBm |
| Data Rate (Max) | 10kbps | 10kbps |
| Modulation or Protocol | FSK | FSK |
| Applications | Home Automation, Remote Sensing, RKE | Home Automation, Remote Sensing, RKE |
| Current - Receiving | 20mA | - |
| Data Interface | PCB, Surface Mount | PCB, Surface Mount |
| Memory Size | - | - |
| Antenna Connector | PCB, Surface Mount | PCB, Surface Mount |
| Features | - | Automatic Frequency Centering (AFC) |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) |
| 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) |