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WT21 Bluetooth HCI Module

Buy Online
  • AVNET ExpressAmericas
  • BroadbandEurope, U.A.E
  • FarnellAmericas, Asia, Australia, Europe
  • MouserWorldwide
  • Semiconductorstore.comAmericas, China, Hong Kong
  • GlynWorldwide
  • Digi-KeyWorldwide
Product Support
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Training Material
File nameLast modifiedFile size
Bluetooth End Product Listing (EPL) Guide19.09.2013421.36 KB
Bluetooth, Wi-Fi and Regulatory Certifications19.09.20131012.29 KB
Data Sheets
File nameLast modifiedFile size
WT21 Data Sheet19.09.20131.16 MB
WT21 Development Kit Data Sheet19.09.2013230.45 KB
Chip Antenna Data Sheet09.09.2013377.08 KB
Application Notes
File nameLast modifiedFile size
Application Note : WT21 Boot Strap Guide19.09.2013408.10 KB
Application Note : WT21 SDIO Usage19.09.2013330.06 KB
Example Applications
File nameLast modifiedFile size
WT41 H4 Boot Strap Application and Source Code19.09.201360.43 KB
PS-key file: UART-H4-11520019.09.2013585 bytes
PS-key file: UART-BCSP-11520019.09.2013585 bytes
PS-key file: SDIO19.09.2013494 bytes
PC Tools
File nameLast modifiedFile size
BlueSuite 2.5 (Blueflash, PSTool, BlueTest etc.)09.09.20136.68 MB
PCM Configuration Tool09.09.2013103.5 KB
Reference Designs
File nameLast modifiedFile size
WT21 Development Kit Schematics19.09.201339.41 KB
WT21 Development Kit Design Material19.09.2013270.08 KB
SPI Programming Cable Schematics09.09.201313.97 KB
Qualifications
File nameLast modifiedFile size
WT21 Bluetooth Qualified Design Listing Details
REACH Statement09.09.2013254.34 KB
RoHS II Compliance Statement19.09.201334.61 KB

Key Features

Radio features:

  • Bluetooth v. 2.1 + EDR
  • Bluetooth class 1.5 radio
  • Transmit power: +7 dBm
  • Receiver sensitivity: -88 dBm
  • Range: 150 meters line-of-sight
  • Integrated chip antenna

Hardware features:

  • UART and SDIO host interfaces
  • 802.11 co-existence interface
  • Seven software programmable IO pins
  • Low-power 1.5V operation, 1.8V to 3.6V I/O
  • Temperature range: -40°C to +85°C
  • Small size: 17.1 x 11.6 x 2.6 mm

Qualifications:

  • Bluetooth
  • CE
  • FCC
  • IC qualified

Software:

  • Bluetooth HCI over UART or SDIO

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