| Part Number | SI4021-A1-FT | SI4022-A1-FT |
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs |
| Category | RF Transmitters | RF Transmitters |
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| Product Status | Not For New Designs | Obsolete |
| Frequency | 433MHz, 868MHz, 915MHz | 868MHz, 915MHz |
| Applications | General Purpose | ISM |
| Modulation or Protocol | FSK, OOK | FSK |
| Data Rate (Max) | 512kbps | 115.2kbps |
| Power - Output | 8dBm | 6dBm |
| Current - Transmitting | 24mA | 24mA |
| Data Interface | PCB, Surface Mount | PCB, Surface Mount |
| Antenna Connector | PCB, Surface Mount | PCB, Surface Mount |
| Memory Size | - | - |
| Features | - | - |
| Voltage - Supply | 2.2V ~ 5.4V | 2.2V ~ 3.8V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-TSSOP | 16-TSSOP |