The Carambola 3 single-band Wi-Fi SoM improves upon the Carambola 2, one of 8devices’ most popular modules, with a faster CPU and more memory. Its pin-to-pin compatibility with Carambola 2 makes it the perfect balance of low power consumption and upgraded performance.

Carambola 3 module
Integrated 2.4 GHz chip antenna
100BaseT ETHERNET 4
100BaseT ETHERNET 0
100BaseT ETHERNET 1
100BaseT ETHERNET 2
100BaseT ETHERNET 3
USB C Socket (console + 5V power)
Type A USB Socket
2 x 10 2.54 mm pitch prototyping area holes
2 x 10 2.54 mm pitch prototyping area holes
UART header
UART switch
Hardware Reset
Programmable button
| SoC | QCA4531 from Qualcomm |
|---|---|
| CPU | MIPS 24K @ 650 MHz |
| GPU | N/A |
| Flash | 32 MB NOR |
| RAM | 128 MB DDR2 @ 300 MHz |
| Ethernet | 5 x 100 Base-T |
|---|---|
| USB | USB2.0 |
| PCIe | N/A |
| Serial Interfaces | SPI, UART |
| GPIOs | 17 x GPIOs |
| Miscellaneous | N/A |
| 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 |
| Linux OpenWrt | |
|---|---|
| Yocto/ OpenEmbedded | |
| FirmUx |
| Power Supply | 3.3V |
|---|---|
| Power Consumption | 1.6 W |
| Dimensions | 28 mm x 38 mm |
| Weight | 5 g |
| Temperature Range | 0°C to +65°C | -40°C to +85°C |
| Mounting | Single side |
| Pin Type | Half circle castellated via / LGA |
| Certifications | CE, FCC, IC - TBD |

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