| Part Number | WF121-E-V2 | WF121-A-V2 |
|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs |
| Category | RF Transceiver Modules and Modems | RF Transceiver Modules and Modems |
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| Product Status | Last Time Buy | Last Time Buy |
| RF Family/Standard | WiFi | WiFi |
| Protocol | 802.11b/g/n | 802.11b/g/n |
| Modulation | - | - |
| Frequency | 2.4GHz | 2.4GHz |
| Data Rate | 72.2Mbps | 72.2Mbps |
| Power - Output | 17dBm | 17dBm |
| Sensitivity | -97dBm | -97dBm |
| Serial Interfaces | I²C, Ethernet, SPI, UART, USB | I²C, Ethernet, SPI, UART, USB |
| Antenna Type | Antenna Not Included, U.FL | Integrated, Chip |
| Utilized IC / Part | - | - |
| Memory Size | 512kB Flash, 128kB SRAM | 512kB Flash, 128kB SRAM |
| Voltage - Supply | 2.3V ~ 3.6V | 2.3V ~ 3.6V |
| Current - Receiving | 127mA | 127mA |
| Current - Transmitting | 143mA | 143mA |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | Module | Module |