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| PartNumber | WT11U-A-AI55C | WT11U-A-AI5 | WT11U-A-AI55 |
| Description | Bluetooth Modules (802.15.1) AI55 : iWRAP5.5. Bluetooth 2.1+EDR module with antenna. Class 1, iWRAP 5.0, 17 dBm TX power. FP Q4/16. IP Q3/16 | CLASS 1 BLTOOTH 2.1+EDR MODULE | AI55 : IWRAP5.5. BLUETOOTH 2.1+E |
| Manufacturer | Silicon Laboratories | - | - |
| Product Category | Bluetooth Modules (802.15.1) | - | - |
| Class | Class 1 | - | - |
| Protocol | Bluetooth 2.1 + EDR | - | - |
| Data Rate | 3 Mb/s | - | - |
| Operating Supply Voltage | 2.7 V to 3.6 V | - | - |
| Output Power | 16.5 dBm | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Sensitivity | - 84 dBm | - | - |
| Modulation Technique | BDR | - | - |
| Interface Type | SPI, UART | - | - |
| Series | WT11u | - | - |
| Antenna | Chip | - | - |
| Dimensions | 35.75 mm x 14.5 mm x 2.6 mm | - | - |
| Features | 802.11 Co-Existence Interface, 6 Software Programmable IO Pins | - | - |
| Height | 2.6 mm | - | - |
| Length | 35.75 mm | - | - |
| Range | 350 m | - | - |
| Shielding | Shielded | - | - |
| Type | USB Adapter | - | - |
| Width | 14.5 mm | - | - |
| Brand | Silicon Labs | - | - |
| Mounting Style | SMD/SMT | - | - |
| Antenna Connector Type | Integrated | - | - |
| Product Type | Bluetooth Modules | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Wireless & RF Modules | - | - |
| Supply Current Receiving | 43 mA | - | - |
| Supply Current Transmitting | 176 mA | - | - |