| PartNumber | WT12-A-AI55C | WT12-A-AI56 | WT12-A-AI55 |
| Description | Bluetooth Modules (802.15.1) AI55 : iWRAP5.5. Bluetooth 2.1+EDR module, Class 2, iWRAP 5.0, integrated antenna | Bluetooth Modules (802.15.1) 20 | Bluetooth Modules (802.15.1) AI55 : iWRAP5.5. Bluetooth 2.1+EDR module, Class 2, iWRAP 5.0, integrated antenna |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | Bluetooth Modules (802.15.1) | Bluetooth Modules (802.15.1) | Bluetooth Modules (802.15.1) |
| Class | Class 2 | Class 2 | Class 2 |
| Protocol | Bluetooth 2.1 + EDR | Bluetooth 2.1 + EDR | Bluetooth 2.1 + EDR |
| Data Rate | 3 Mb/s | 3 Mb/s | 3 Mb/s |
| Operating Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
| Output Power | 3 dBm | 3 dBm | 3 dBm |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Sensitivity | - 86 dBm | - 86 dBm | - 86 dBm |
| Modulation Technique | DQPSK, GFSK | DQPSK, GFSK | DQPSK, GFSK |
| Interface Type | SPI, UART, USB | SPI, UART, USB | SPI, UART, USB |
| Series | WT12 | WT12 | WT12 |
| Antenna | Chip | Integrated | Chip |
| Dimensions | 25.5 mm x 14 mm x 2.4 mm | - | 25.5 mm x 14 mm x 2.4 mm |
| Features | 802.11 Co-Existence Interface, 6 Software Programmable IO Pins | - | 802.11 Co-Existence Interface, 6 Software Programmable IO Pins |
| Frequency | 2.4 GHz | 2.4 GHz | 2.4 GHz |
| Frequency Range | 2.4 GHz to 2.4835 GHz | 2.4 GHz to 2.4835 GHz | 2.4 GHz to 2.4835 GHz |
| Height | 2.4 mm | 2.4 mm | 2.4 mm |
| Length | 25.5 mm | 25.5 mm | 25.5 mm |
| Range | 30 m | - | 30 m |
| Shielding | Shielded | - | Shielded |
| Type | USB Adapter | - | USB Adapter |
| Width | 14 mm | 14 mm | 14 mm |
| Brand | Silicon Labs / Bluegiga | Silicon Labs / Bluegiga | Silicon Labs / Bluegiga |
| Mounting Style | PCB | SMD/SMT | PCB |
| Antenna Connector Type | Integrated | Integrated | Integrated |
| Product Type | Bluetooth Modules | Bluetooth Modules | Bluetooth Modules |
| Factory Pack Quantity | 100 | 500 | 500 |
| Subcategory | Wireless & RF Modules | Wireless & RF Modules | Wireless & RF Modules |
| Supply Current Receiving | 70 mA | 70 mA | 70 mA |
| Supply Current Transmitting | 70 mA | 70 mA | 70 mA |
| Version | Bluetooth 2.1 + EDR | Bluetooth 2.1 + EDR | Bluetooth 2.1 + EDR |
| RoHS | - | Y | Y |
| Packaging | - | - | Reel |