藍牙是由藍牙技術聯盟 (SIG) 管理的無線技術標準。藍牙專為短距離數據傳輸和交換而設計，其使用 2.4 GHz 的無許可 ISM 頻段。藍牙功能豐富，包括點對點音頻流傳輸以及用于照明或家庭自動化的大規模多對多網狀網絡。Silicon Labs 提供靈活、高度集成的藍牙產品，可滿足范圍廣泛的應用最苛刻的要求。Silicon Labs 設計的產品具有很長的使用壽命，并配備最優的射頻靈敏度和功耗。此外，Silicon Labs 還提供簡單易用但強大的軟件解決方案，可簡化應用開發和整合過程。
| Part Number | BLE Stack? | (dBm)? | Core? | GPIO? | Flash(kB)? | RAM(kB)? | Annotation | PDF下載 |
|---|---|---|---|---|---|---|---|---|
| Wireless Xpress BGX220 | 5/5.1/5.2 | 8 | M33 | 8 | / | Wireless Xpress Modules BGX220 | 暫無 | |
| EFR32BG22 Series 2 Modules | 5/5.1/5.2 | 8 | M33 | 24/25 | 352/512 | 32 | EFR32BG22 Based Modules (Series 2) | 暫無 |
| EFR32BG22 Series 2 SoCs | 5/5.1/5.2 | 6 | M33 | 18/26 | 352/512 | 32 | Bluetooth Low Energy EFR32BG22 SoCs (Series 2) | 暫無 |
| Wireless Xpress BGX13 | 5/5.1 | 8 | M4 | / | / | Bluetooth Low Energy Wireless Xpress Modules BGX13 | 暫無 | |
| EFR32BG13 Series 1 Modules | 5/5.1 | 19 | M4 | / | 512 | 64 | Bluetooth Low Energy EFR32BG13 Based Modules (Series 1) | 暫無 |
| EFR32BG21 Series 2 Modules | 5/5.1 | 20 | M33 | 20 | 1024 | 96 | Bluetooth Low Energy EFR32BG21 Based Modules (Series 2) | 暫無 |
| EFR32BG21 Series 2 SoCs | 5/5.1 | 20 | M33 | 17/20 | 512/768/1024 | 64/96 | Bluetooth Low Energy EFR32BG21 SoCs (Series 2) | 暫無 |
| EFR32BG1 Series 1?Modules | 5.1 | 8 | M4 | / | 256 | 32 | Bluetooth Low Energy EFR32BG1 Based Modules (Series 1) | 暫無 |
| EFR32BG13 Series 1 SoCs | 5/5.1/4.x | 20 | M4 | 16/31 | 512 | 64 | Bluetooth Low Energy EFR32BG13 SoCs (Series 1) | 暫無 |
| EFR32BG1 Series 1 SoCs | 5/4.x | 20 | M4 | 16/19/28/31 | 256 | 32 | Bluetooth Low Energy EFR32BG1 SoCs (Series 1) | 暫無 |
| EFR32BG12 Series 1 SoCs | 5/4.x | 20 | M4 | 28/31/46/65 | 512/1024 | 64/128/256 | Bluetooth Low Energy EFR32BG12 SoCs (Series 1) | 暫無 |
| Bluegiga Legacy Modules | 4.x | 8 | 8051 | / | 128/256 | 8 | Bluetooth Low Energy Bluegiga Legacy Modules | 暫無 |
