WT21 Bluetooth HCI Module
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Americas -
Europe, U.A.E -
Americas, Asia, Australia, Europe -
Worldwide -
Americas, China, Hong Kong -
Worldwide -
Worldwide
Bluetooth |
|
Version | 2.1 + EDR (Bluetooth Classic) |
Security | Safer+ |
BR/EDR connections | 7 |
LE connections | 0 |
Radio |
|
Frequency | 2.402GHz to 2480GHz |
Modulations | GFSK, π/4-DQPSK and 8DPSK |
Transmit power | +7 dBm |
Receiver sensitivity | -88 dBm |
Typical line-of-sight range | 150 meters |
Antenna | Integrated ceramic chip |
Dimensions |
|
Length | 17.15 mm |
Width | 11.7 mm |
Height | 2.5 mm |
Hardware |
|
Host interfaces | UART or SDIO |
GPIO | 6 programmable GPIOs |
Audio interfaces | PCM or I2S |
802.11 co-existence | Unity-3, Unity-3e, Unity+ |
Power supply | 1.7 to 3.7V |
Debug interface | Available |
Current Consumption |
|
TX peak current | 50 mA |
RX peak current | 50 mA |
Data transmission @ 115200kbps | 10 mA |
Deep sleep | 40 uA |
Certifications |
|
Bluetooth | Bluetooth controller subsystem |
CE | EN300328, EN301489 |
FCC | FCC part 15 modular qualification |
IC | Industry Canada modular qualification |
Software |
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HCI | HCI over UART or SDIO |
Operating System Support (in HCI mode) |
|
Linux | BlueZ Bluetooth stack |
Windows EC/CE | Microsoft Bluetooth stack |
Embedded devices | 3rd party Bluetooth stacks |
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