| PartNumber | WT41U-A-AI55C | WT41U-A-AI55 | WT41U-A-AI5 |
| Description | Bluetooth Modules (802.15.1) Bluetooth 2.1+EDR module, Class 1+, iWRAP 5.5, integrated antenna. FP Q4/16. IP Q3/16 | Bluetooth Modules (802.15.1) Bluetooth 2.1+EDR module, Class 1+, iWRAP 5.5, integrated antenna. FP Q4/16. IP Q3/16 | CLASS 1 BLTOOTH 2.1+EDR MODULE |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | Bluetooth Modules (802.15.1) | Bluetooth Modules (802.15.1) | - |
| Class | Class 1 | Class 1 | - |
| Protocol | Bluetooth 2.1 + EDR | Bluetooth 2.1 + EDR | - |
| Data Rate | 3 Mb/s | 3 Mb/s | - |
| Operating Supply Voltage | 3.6 V | 3.6 V | - |
| Output Power | 17 dBm | 17 dBm | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Sensitivity | - 94 dBm | - 94 dBm | - |
| Interface Type | UART, USB | UART, USB | - |
| Series | WT41u | WT41u | - |
| Antenna | Chip | Chip | - |
| Dimensions | 35.3 mm x 14 mm x 3.85 mm | 35.3 mm x 14 mm x 3.85 mm | - |
| Height | 3.85 mm | 3.85 mm | - |
| Length | 35.3 mm | 35.3 mm | - |
| Product | Bluetooth Modules | Bluetooth Modules | - |
| Range | 500 m | 500 m | - |
| Shielding | Shielded | Shielded | - |
| Type | USB Adapter | USB Adapter | - |
| Width | 14 mm | 14 mm | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Product Type | Bluetooth Modules | Bluetooth Modules | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Wireless & RF Modules | Wireless & RF Modules | - |
| Supply Current Receiving | 44 mA | 44 mA | - |
| Supply Current Transmitting | 136 mA | 136 mA | - |
| Packaging | - | Box | - |
| Version | - | Bluetooth 2.1 + EDR | - |