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| PartNumber | BC57H687C | BC57H687C-1TM-E4 | BC57H687C-GITM-E4 |
| Description | IC RF TXRX+MCU BLUTOOTH 120LFBGA | ||
| Manufacturer | CSR | - | CSR |
| Product Category | RF Transceiver ICs | - | RF Transceiver ICs |
| Series | BlueCoreR | - | BlueCoreR |
| Type | TxRx + MCU | - | TxRx + MCU |
| Packaging | Digi-ReelR Alternate Packaging | - | Digi-ReelR Alternate Packaging |
| Package Case | 120-LFBGA | - | 120-LFBGA |
| Frequency | 2.4GHz | - | 2.4GHz |
| Operating Temperature | -40°C ~ 85°C | - | -40°C ~ 85°C |
| Sensitivity | -90dBm | - | -90dBm |
| Voltage Supply | 1.8 V ~ 3.6 V | - | 1.8 V ~ 3.6 V |
| Memory Size | 8MB Flash | - | 8MB Flash |
| Protocol | Bluetooth v2.1 +EDR, Class 2 and 3 | - | Bluetooth v2.1 +EDR, Class 2 and 3 |
| Data Rate Max | - | - | - |
| Serial Interfaces | - | - | - |
| Power Output | 5dBm | - | 5dBm |
| Current Receiving | - | - | - |
| RF Family Standard | Bluetooth | - | Bluetooth |
| Modulation | - | - | - |
| GPIO | - | ||
| Current Transmitting | - | - | - |