Please see all COVID-19 updates here as some shipments may be delayed due to CDC safety and staffing guidelines. If you have an order or shipping question please refer to our Customer Support page. For technical questions please check out our Forums. Thank you for your continued support.

Find a Retailer
Need Help?

Customer Service

Track My Order

Frequently Asked Questions

International Shipping Info

Send Email

Mon-Fri, 9am to 12pm and
1pm to 5pm U.S. Mountain Time:

(303) 284-0979

Shop
Learn
Blog
Services

Shopping Cart 0 items

Shop
Learn
Blog
Services

Today's Deals
Forum

Today's Deals Forum Desktop Site

All Categories

Featured

New Products
Top Sellers
Sale
Gift Certificates

Brands

SparkFun
Arduino
Raspberry Pi
Qwiic
micro:bit
all brands

Development

Single Board Comp.
Microcontrollers
Machine Learning
FPGA
Prototyping Boards
all development

Sensors

Movement
Biometrics
Imaging
Environment
Capacitive
all sensors

Tools

3D Printing
CNC
Soldering
Hand Tools
Instruments
all tools

Miscellaneous

All Kits
Books
Arts/Crafts Supplies
SD Cards
Swag
all misc

Components

LED & Illumination
Buttons & Switches
LCDs & OLEDs
Power
Cables & Wire
all components

E-Textiles

LilyPad
Sewable Electronics
Materials
E-Textile Power
E-Textile Kits
all e-textiles

Robotics

Actobotics
Motors & Drivers
Parts
Hardware
Robotics Kits
all robotics

Wireless & IoT

Bluetooth
WiFi
Satellite
GPS & GNSS
Wireless Kits
all wireless/IoT

Audio

Audio Boards
Audio Cables
Speakers
Audio Chips
all audio

Home
Product Categories
Wireless and IoT
Bluetooth (90 products)

Filter and sort

Sort by:

Most Popular
Highest Price
Lowest Price
Alphabetical
Highest Reviewed
Newest
Oldest

Refine by:

SparkFun Original
On sale
In stock

Customer reviews:

5 stars
4 stars
3 stars
2 stars
1 stars

Price:

$0 – $10
$10 – $20
$20 – $30
$30 – $40
$40 – $50
$50 – $75
$75 – $100
$100 +
Minimum price

$

to Maximum price

$

Apply custom price filter

Retired:

Show only retired

Apply filters:

Bluetooth

added to your cart!

EFR32BG21 Blue Gecko Wireless SoC - 76.8 MHz, 2.4G, 8dB, AoA Receive or BLE Long Range, Build-in antenna, 24 GPIO

In stock WRL-17031

These modules are based on EFR32BG22 System-On-Chip (SoC) modules and enable Bluetooth® Low Energy (BLE) connectivity.

$7.95