Technical Specifications of BLE121LR-A-M256K
| Category | RF/IF and RFID |
| Family | RF Transceiver Modules |
| Manufacturer | Silicon Labs |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Part Status | Active |
| RF Family/Standard | Bluetooth |
| Protocol | Bluetooth v4.0 |
| Modulation | - |
| Frequency | 2.4GHz |
| Data Rate | 2Mbps |
| Power - Output | 8dBm |
| Sensitivity | -98dBm |
| Serial Interfaces | I2C, SPI, UART |
| Antenna Type | Integrated, Chip |
| Memory Size | 256kB Flash, 8kB SRAM |
| Voltage - Supply | 2 V ~ 3.6 V |
| Current - Receiving | 28mA ~ 33mA |
| Current - Transmitting | 25mA ~ 39mA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | Module |
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