| PartNumber | BGM123A256V2R | BGM123A256V2 | BGM123A256V1 |
| Description | Bluetooth Modules (802.15.1) Bluetooth ultra-small SIP module with ARM Cortex-M4 | Bluetooth Modules (802.15.1) Bluetooth ultra-small SIP module with ARM Cortex-M4 | BGM123 BLUETOOTH SIP MODULE, 3 D |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | Bluetooth Modules (802.15.1) | Bluetooth Modules (802.15.1) | - |
| RoHS | Y | Y | - |
| Class | Bluetooth Low Energy (BLE) | Bluetooth Low Energy (BLE) | - |
| Protocol | Bluetooth 4.2 | Bluetooth 4.2 | - |
| Series | BGM123 | BGM123 | - |
| Packaging | Reel | - | - |
| Frequency | 2.4 GHz | 2.4 GHz | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Bluetooth Modules | Bluetooth Modules | - |
| Factory Pack Quantity | 1000 | 260 | - |
| Subcategory | Wireless & RF Modules | Wireless & RF Modules | - |
| Version | Bluetooth 4.2 | Bluetooth 4.2 | - |
| Unit Weight | - | 0.007055 oz | - |