| Part Number | CC2544RHBT | CC2544RHBR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | RF Transceiver ICs | RF Transceiver ICs | 
|   |   | |
| Product Status | Active | Active | 
| Type | TxRx + MCU | TxRx + MCU | 
| RF Family/Standard | General ISM > 1GHz | General ISM > 1GHz | 
| Protocol | - | - | 
| Modulation | GFSK, MSK | GFSK, MSK | 
| Frequency | 2.4GHz | 2.4GHz | 
| Data Rate (Max) | 2Mbps | 2Mbps | 
| Power - Output | 4dBm | 4dBm | 
| Sensitivity | -96dBm | -96dBm | 
| Memory Size | 32kB Flash, 2kB SRAM | 32kB Flash, 2kB SRAM | 
| Serial Interfaces | SPI, USART, USB | SPI, USART, USB | 
| GPIO | 8 | 8 | 
| Voltage - Supply | 2V ~ 3.6V | 2V ~ 3.6V | 
| Current - Receiving | 22.5mA | 22.5mA | 
| Current - Transmitting | 27mA ~ 30mA | 27mA ~ 30mA | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 
| Supplier Device Package | 32-VQFN (5x5) | 32-VQFN (5x5) |