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| Part Number | BC57E687C-ATB-E4 | BC57E687C-GITB-E4 | BC57E687C-ATB-E4-T |
| Manufacturer | Qualcomm | Qualcomm | Qualcomm |
| Series | BlueCore® | BlueCore5™ Multimedia | - |
| Package/Case | 144-TFBGA | 169-TFBGA | - |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Bulk |
| Product Status | Obsolete | Obsolete | Obsolete |
| Programmable | Not Verified | Not Verified | - |
| Type | TxRx + MCU | TxRx + MCU | - |
| RF Family/Standard | Bluetooth | Bluetooth | - |
| Protocol | Bluetooth v2.0 +EDR, Class 2 and 3 | Bluetooth v2.1 +EDR, Class 2 and 3 | - |
| Modulation | - | - | - |
| Frequency | 2.4GHz | 2.4GHz | - |
| Data Rate (Max) | - | 3Mbps | - |
| Power - Output | 6.5dBm | 8dBm | - |
| Sensitivity | - | -90dBm | - |
| Memory Size | - | 48kB RAM | - |
| Serial Interfaces | - | I2C, I2S, UART, USB | - |
| GPIO | - | 16 | - |
| Voltage - Supply | 2.7V ~ 4.5V | 1.5V | - |
| Current - Receiving | - | - | - |
| Current - Transmitting | - | - | - |
| Operating Temperature | - | - | - |
| Grade | - | - | - |
| Qualification | - | - | - |
| Supplier Device Package | - | 169-TFBGA (8x8) | - |
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