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See Product Specifications
| Part Number: | SI4421-A1-FTR |
| 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 |
| Frequency: | 315MHz, 434MHz, 868MHz, 915MHz |
| Data Rate (Max): | 256kbps |
| Power - Output: | 7dbm |
| Sensitivity: | -110dBm |
| Memory Size: | - |
| Serial Interfaces: | SPI |
| GPIO: | - |
| Voltage - Supply: | 2.2V ~ 3.8V |
| Current - Receiving: | 11mA ~ 13mA |
| Current - Transmitting: | 15mA ~ 24mA |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package: | 16-TSSOP |
