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| PartNumber | BGM111A256V21R | BGM111A256V2 | BGM111A256V21 |
| Description | Bluetooth Modules (802.15.1) Bluetooth LE SIP module with 256 kB flash, and 32 kB RAM | Bluetooth Modules (802.15.1) Bluetooth LE SIP module with 256 kB flash, and 32 kB RAM | Bluetooth Modules (802.15.1) Bluetooth LE SIP module with 256 kB flash, and 32 kB RAM |
| 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 | Bluetooth Low Energy (BLE) | Bluetooth Low Energy (BLE) | Bluetooth Low Energy (BLE) |
| Data Rate | 1 Mb/s | 1 Mb/s | 1 Mb/s |
| Operating Supply Voltage | 1.85 V to 3.8 V | 1.85 V to 3.8 V | 1.85 V to 3.8 V |
| Output Power | 8 dBm | 8 dBm | 8 dBm |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Sensitivity | - 92 dBm | - 92 dBm | - 92 dBm |
| Interface Type | Serial | Serial | Serial |
| Series | BGM111 | BGM111 | BGM111 |
| Antenna | Integrated | Integrated | Integrated |
| Dimensions | 12.9 mm x 15 mm x 2.2 mm | 12.9 mm x 15 mm x 2.2 mm | 12.9 mm x 15 mm x 2.2 mm |
| Frequency | 2.4 GHz | 2.4 GHz | 2.4 GHz |
| Height | 2.2 mm | 2.2 mm | 2.2 mm |
| Length | 15 mm | 15 mm | 15 mm |
| Memory Size | 256 kB | 256 kB | 256 kB |
| Range | 200 m | 200 m | 200 m |
| Shielding | Unshielded | Unshielded | Unshielded |
| Type | USB Adapter | USB Adapter | USB Adapter |
| Width | 12.9 mm | 12.9 mm | 12.9 mm |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Bluetooth Modules | Bluetooth Modules | Bluetooth Modules |
| Factory Pack Quantity | 1000 | 100 | 100 |
| Subcategory | Wireless & RF Modules | Wireless & RF Modules | Wireless & RF Modules |
| Supply Current Receiving | 8.7 mA | 8.7 mA | 8.7 mA |
| Supply Current Transmitting | 8.2 mA | 8.2 mA | 8.2 mA |
| RoHS | - | Y | Y |
| Protocol | - | Bluetooth 4.1 | - |
| Packaging | - | Cut Tape | - |
| Version | - | Bluetooth 4.1 | - |
| Unit Weight | - | 0.070548 oz | - |