ALFA Network Pi-WiFi4_PCBA Raspberry Pi™ form factor embedded board with 2.4 GHz WiFi 4, Ethernet and 4× USB 2.0


ALFA Network Pi-WiFi4 PCBA is a high-power WiFi 802.11n router board in Raspberry Pi™ 3B shape, equipped with Fast Ethernet and 4× USB 2.0

This is a router board, not a Raspberry Pi. 

Pi-WiFi4 offers an integrated 802.11b/g/n WiFi (2.4 GHz, N300, up to 27 dBm) radio with IPEX/U.FL antenna connectors, single Fast Ethernet, and four USB 2.0 interfaces for various applications.

Official OpenWrt support, web-based recovery, and system serial console access over the micro USB connector (driver free) make development extremely easy.

  • Qualcomm™ QCA9531 (650 MHz single-core MIPS)
  • 128 MB of DDR2 RAM
  • 16, 32 or 64 MB of SPI NOR flash
  • Integrated WiFi N300 2.4 GHz (up to 27 dBm)
  • 1× Fast Ethernet with ESD protection
  • 4× USB 2.0 Type-A (host)
  • 1× push-button
  • 8-pin console and GPIO header (1.27 mm pitch)
  • 1× USB 2.0 micro Type-B (power, system console)
  • 3× LED
Parameter Value
SOC Qualcomm™ QCA9531 with 650 MHz single-core MIPS 24Kc CPU
RAM 128 MB of DDR2
Flash 16, 32 or 64 MB of SPI NOR flash
WiFi 802.11b/g/n 2T2R 2.4 GHz
2× IPEX/U.FL antenna connectors
USB 4× USB 2.0 Type-A (host)
Genesys Logic GL850G USB 2.0 HUB
1× USB 2.0 micro Type-B for system serial console access (driver free)
Ethernet 1× Fast Ethernet with ESD protection
Pin headers 1× 8-pin system serial console and GPIO (1.27 mm pitch)
Button 1× push-button (reset)
LED 1× power (blue)
1× USB (blue)
1× WLAN (blue)
Other External hardware watchdog
Software U-Boot with web-based firmware recovery support
Officially supported in OpenWrt (Linux Kernel 5.4)
Power supply USB 2.0 micro Type-B for 5 V DC input
Mounting holes ∅ 3 mm, 58 × 49 mm
Dimensions 85 × 56 × 17 mm
Operating humidity 5 % ~ 95 % RH, non-condensing
Operating temperature -40 ° ~ 65 ° C
Weight 36 g

Warranty & Support:
Complimentary Telephone and Email/Live Chat Support (Click Here)
Online Technical Manuals and Instructions (Click Here)

State sales tax of 7.5% will be added to FLORIDA purchases only. There is no sales tax for any other state.

Return Policy: You may return this item if new for an exchange or refund at your discretion within 30 days of receipt. Because range can vary greatly based on your environment, if you are not sure a particular product will meet your range needs please contact us before buying. Orders with free shipping selected will incur a 10% restocking fee to help us cover the original shipping cost, unless the item is defective or different from the advertisement. Any expedited shipping charges paid, including return shipping, are never refundable. If you opt for an exchange, we will pay to ship the replacement to you. Items must be returned the way they were received, with all pieces, documentation, and retail packaging (if applicable) included. For bulk purchases, see our bulk purchase return policy here.

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