8devices Carambola 2
8devices Carambola 2
8devices Carambola 2

Carambola 2

The Carambola 2 single-band Wi-Fi SoM’s industry-leading low power consumption and small, single-sided, surface-mountable form factor make it easy to embed this Wi-Fi 4 SoM into new or existing projects. Linux OpenWrt and FirmUx support make Wi-Fi 4 networking feature development more flexible.

Target industries
Wireless routers and access points
IoT gateways
Smart home devices
Industrial IoT
  • Qualcomm AR9331
    This SoC features MIPS 24K @ 400 MHz CPU, 16 MB NOR flash, and 64 MB DDR2 @ 200 MHz RAM memory.
  • Ultra-low power consumption
    Carambola 2’s low power consumption makes it suitable for a broader range of devices and reduces production and development costs
  • Broad range of interfaces
    I2S, SPI, SLIC, UART and other interfaces enable seamless industrial connectivity and reliable data transmission
  • Linux OpenWrt support
    Linux grants flexibility when developing software applications for your Carambola 2 device
  • Industrial-grade variant
    Carambola 2-I suits industrial applications, operating between -40°C and 85°C.

Upgrade to Carambola 3

The Carambola 3 is our pin-to-pin compatible upgrade to the Carambola 2. The Qualcomm QCA4531 SoC gives the Carambola 3 greater processing power while remaining easy and cost-efficient to integrate into existing products that already use the Carambola 2.

Learn more

Carambola 2 supports FirmUx

Carambola 2 supports FirmUx Networking, which is a proprietary embedded Linux framework that provides developers with powerful tools and integration procedures. Use it to unlock powerful network features and build your own full-featured firmware and device software. Carambola 2 also supports open source QSDK.

Learn more

Development board details

Explore more about the development board components by hovering over a bullet points.
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Integrated 2.4 GHz chip antenna

2 x 10 2.54 mm pitch prototyping area holes

2 x 10 2.54 mm pitch prototyping area holes

ETH0 LAN port

ETH1 LAN port

Type A USB socket

USB C socket (console +power 5V)

Hardware reset button

GPIO programable button

Specifications

Platform
SoC AR9331 from Qualcomm
CPU MIPS 24K @ 400 MHz
GPU N/A
Flash 16 MB NOR
RAM 64 MB DDR2 @ 200 MHz
Interfaces
Ethernet 2 x 100 Base-T
USB USB2.0
PCIe N/A
Serial Interfaces I2S, SPI, SLIC, SPDIF, UART
GPIOs 21 x GPIOs
Miscellaneous N/A
Wireless
Wireless Standard Wi-Fi 4 (IEEE 802.11 a/b/g/n)
Bluetooth Standards N/A
Radio Mode Single Band, SISO
Frequency 2412-2472MHz
Channel Size 20,40 MHz
Data Rate 150 Mbps
Antenna Options 1 x U.FL or 1 x Pin
Max Output Power (per chain) 21 dBm
Software Options
Linux OpenWrt
Yocto/ OpenEmbedded
FirmUx
Module Specs
Power Supply 3.3V
Power Consumption 0.5 W
Dimensions 28 mm x 38 mm
Weight 6.4 g
Temperature Range 0°C to +65°C | -40°C to +85°C
Mounting Single side
Pin Type Half circle castellated via
Certifications CE, FCC, IC, Telec, KCC

Custom Solutions

Does your project require a custom hardware or software solution? Are you looking for an experienced partner to help develop your solution? 8devices can help. 

Take advantage of our extensive R&D experience by working with our hardware and software engineers to develop the exact solution you need. From custom modules and components to specialized firmware or cutting-edge software features, anything is possible.

Production facility

8devices can fulfill and scale production runs for any design our engineers have created for you.

Which product is best for you?

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