| Key ^ | Value |
|---|---|
| Base Product Number | SI4438 |
| Category | RF/IF and RFID |
| Current - Receiving | 13.7mA |
| Current - Transmitting | 75mA |
| Data Rate (Max) | 500kbps |
| Frequency | 425MHz ~ 525MHz |
| GPIO | 4 |
| Memory Size, Protocol, Series | - |
| Mfr | Silicon Labs |
| Modulation | FSK, GFSK, GMSK, OOK |
| Mounting Type | Surface Mount |
| Operating Temperature | -40?C ~ 85?C |
| Package | Tape & Reel (TR) |
| Package / Case | 20-VFQFN Exposed Pad |
| Power - Output | 20dBm (Max) |
| Product Status | Active |
| RF Family/Standard | General ISM < 1GHz |
| Sensitivity | -124dBm |
| Serial Interfaces | SPI |
| Supplier Device Package | 20-QFN (4x4) |
| Type | TxRx Only |
| Voltage - Supply | 1.8V ~ 3.6V |