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Mini Pini: A Wi-Fi 6 Radio Module with Dual-Band 2.4GHz/5GHz Connectivity and OpenWrt Support

Mar 30, 2024 — by Giorgio Mendoza 362 views

The Mini Pini is a Wi-Fi 6 radio module designed to meet the challenges of demanding wireless environments. This product leverages Qualcomm’s advanced QCN9074/72 chipset, ensuring efficient and reliable wireless performance across a variety of applications including industrial settings.

Built on the robust foundation of Qualcomm’s QCN9074/72 chipset, the Mini Pini series stands out for its performance and reliability according to 8Devices. It offers a 4×4 or 2×2 MU-MIMO configuration, enhancing data transfer rates and signal quality through multiple data streams. The support for a 160MHz channel width allows for faster data transmission and efficient utilization of bandwidth.


Mini Pini 2×2 block diagram
(click image to enlarge)

The series’ adherence to the standard mini PCIe form factor ensures wide compatibility and integration ease. With data rates soaring up to 4.8Gbps, the Mini Pini is ideal for bandwidth-heavy applications.

Its capability to support up to 4 download and upload OFDMA users optimizes channel efficiency and reduces latency. The dual-band support, functional on both 2.4 and 5GHz bands, offers adaptability and peak performance in diverse wireless conditions.

Mini Pini 4×4 block diagram
(click image to enlarge)

The Mini Pini is available in three distinct versions, each tailored to meet various applications and settings:

Mini Pini25 2×2 : This model offers 2×2 MIMO and is optimized for 2.4/5GHz bands with 160 MHz support, ideal for standard commercial environments (0-60°C).

Mini Pini25-I 2×2: This variant is a Mini-PCIe 2×2 radio card, built for industrial temperature ranges (-40 to +85°C), offering a robust solution for challenging environments.

Mini Pini25 4×4: This version is a Mini-PCIe 4×4 radio card designed for commercial temperature ranges (0-60°C). It is ideal for standard enterprise environments.

Mini Pini25-I 4×4: Catering to more demanding settings, the Mini Pini-I is also a Mini-PCIe 4×4 radio card but is designed for industrial temperature ranges (-40 to +85°C).

MiniPini + heatsink
(click image to enlarge)

According to the 8Devices Wiki page, this product supports both Ubuntu 22.04 LTS and OpenWrt 23.05 ( OS kernel needs to be >= 5.19 or use wireless backports >= 6.1.).

Specifications listed for the 8Devices Mini Pini:

  • Connectivity:
    • MIMO Configurations – 2×2/4×4 w/ 802.11ax Wi-Fi 6 support.
    • Frequency Bands – Dual-band operation on 2.4 GHz and 5 GHz.
    • Data Rates – Maximum of 4804 Mbps in 5GHz (4×4) and 2402 Mbps in 5GHz (2×2).
    • Channel Support – Ranges from 5/10 MHz in 4.9 GHz to 20/40/80/160 MHz in 2.4 GHz and 5 GHz.
    • Advanced Features – MU-MIMO, MU-OFDMA, TxBF, STBC, w/ up to 37 users per PPDU.
    • Standard Compliance – Supports IEEE 802.11 ac/ax, and other 802.11 standards.
  • Security:
    • Encryption Protocols – AES-CCMP/GCMP (128/256 bits), WEP, TKIP, WAPI-2.
    • Access Security – WPA/WPA2-Personal/Enterprise, WPA3 Personal.
    • Standards Compliance – FIPS ECB.
  • Other Features:
    • DFS and Agile DFS, support for monitor mode, explicit transmit beamforming (TxBF)
  • Mechanical:
    • 30 x 50.95 x 15.05mm, PCIe radio card
    • PCI Express 3.0 dual-lane

Further Information

As previously mentioned, each model in the MiniPini25 series utilizes the Qualcomm QCN9074 chipset and is currently available for preorder at these prices:

  • MiniPini25 2×2 ($74.00): 2×2 MIMO, for 2.4/5GHz bands, 160 MHz support.
  • MiniPini25-I 2×2 ($79.00): Similar to MiniPini25 2×2, but for industrial temperatures.
  • MiniPini25 4×4 ($79.00): 4×4 MIMO, for 2.4/5GHz bands, 160 MHz support, for commercial temperatures.
  • MiniPini25-I 4×4 ($84.00): Like the 4×4 version, but designed for industrial temperatures.
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