WT21 datasheet(2/3 Pages) ETC2

2 / 3 page

Features

WT21

WT41

BLE112

Bluetooth specification

2.1 + EDR

4.0 Single Mode

Bluetooth class

Range, line of sight

120m

1000m

30 m

Antenna

Internal, PIN

Internal, U.FL, RF, PIN

Temperature range

-40° to +85°

Maximum throughput

2,1Mbps

200 kbps

Integration

Surface mount

Host interfaces

UART, CSPI, SDIO, 7xGPIO

UART, USB, 6xGPIO, 1xAI0

UART, USB, SPI, 8 x AIO, 16GPIO

Audio interfaces

I²S + PCM

PCM

Operating voltage

1.8V or 2.7V- 4.9V

3.0V- 3.6V

2,0V – 3,6V

AFH supported

Yes

802.11 co-existence

Yes

Memory

ROM

48 KB RAM, 8 MB Flash

8 KB RAM, 128 KB Flash

Chip

BlueCore-06

BlueCore-04

TI CC2540

Supports Bluelab SDK

Yes

Bluegiga SDK

Certifications

Bluetooth, CE, FCC and IC

Bluetooth, CE, FCC, IC and

Bluetooth, CE and FCC

Ability to host applications

Yes

Firmware options

HCI

iWRAP, HCI, Custom

Full

Bluetoothlowenergystack

Size

17,1 x 11,6 x 2,6 mm

35 x 14 x 3,5 mm

18,1 x 12,05 x 2,3 mm

Profiles

HCI over UART, CSPI, SDIO

SPP, DUN, HFP, HSP, HID,

AVRCP, DI, PBAP, OPP,

FTP, HDP

Custom profiles with BG

profile toolkit ™

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