Not Recommended for New Designs: This part is Not Recommended for New Designs (NRND). For newer designs, we recommend you use:
Device/Module image

WT12-A

Perfect Connectivity for Android and iOS Devices

The WT12-A is a fully integrated Bluetooth 2.1 + EDR, class 2 module combining antenna, Bluetooth radio, and an on-board iWRAP Bluetooth stack. Bluegiga's WT12-A constitutes the ideal solution for developers that want to quickly integrate Bluetooth wireless technology into their design without investing several months in Bluetooth radio and stack development. It uses Bluegiga's iWRAP Bluetooth stack, which is an embedded Bluetooth stack implementing 13 different Bluetooth profiles and Apple iAP connectivity. The WT12-A combined with iWRAP Bluetooth stack and Bluegiga's excellent technical support designers ensure quick time-to-market and low development costs and risks.

The Bluetooth standard has evolved over the years. The latest standard is Bluetooth 5. For new Bluetooth 5 designs, we recommend the latest Silicon Labs BGM Bluetooth Modules and BGX Bluetooth Modules, based on Silicon Labs EFR32BG SoCs.

 

Key Specs

 
TX Power (dBm)
+3
RX Sensitivity (dBm)
-86
Typical Range
30 meters line-of-sight
Dimensions (mm)
25.5 x 14.0 x 2.4
TX Power (dBm)
+3
RX Sensitivity (dBm)
-86
Typical Range
30 meters line-of-sight
Dimensions (mm)
25.5 x 14.0 x 2.4
Bluegiga Classic Legacy Modules Block Diagram

Quality Assurance, Environmental and Packaging Information

The longevity date shown above is for the preferred revision of this part number, for a complete list of part number revisions, use the search button below.

As part of its ongoing commitment to supply continuity, Silicon Labs may provide pin-compatible and functionally equivalent replacement products if Silicon Labs determines, at its discretion, that supply chain adjustments, product improvements, market conditions, or similar business or technical issues make this necessary or advisable.

If for business, technical or other reasons beyond Silicon Labs’ reasonable control, Silicon Labs finds that it is necessary to discontinue a product, our policy is to issue an EOL notice that provides 6 months from notice to place final orders and 12 months from notice for final shipments. This policy complies with the JEDEC standard EIA/JESD48 that is commonly used in the semiconductor industry. We provide the required support for a product for its full life cycle.

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