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Small green circuit board with gold edge connector and two antenna sockets

YINGHUA

YINGHUA BCM94331CD Mini PCI-E Wi-Fi adapter 450Mbps

SKU CH-GCFJ-14HZ7

Mini PCI-E wireless adapter supports IEEE 802.11 a/b/g/n at 450 Mbps dual-band with Bluetooth compatibility for select MacBook and Windows systems

  • Product typeM.2 Wi-FI Adapter
  • Dual-band 2.4 GHz and 5 GHz Wi-Fi for flexible connections
  • 450 Mbps peak throughput for fast wireless transfers
  • Mini PCI-E form factor fits compatible laptop slots
  • Compatible with macOS 10.7 through 10.11 and Windows 7 to 10
  • Physical dimensions 4.50 cm by 2.40 cm for space-constrained installations

BCM94331CD Mini PCI-E Wi-Fi Adapter

This BCM94331CD Mini PCI-E Wi-Fi adapter delivers 450Mbps wireless ABGN performance and Bluetooth-compatible connectivity. It operates on 2.4G and 5G dual band frequencies and fits the special interface size of 4.50 by 2.40 cm. The card is designed as a dedicated wireless replacement for specific laptop models.

MacBook And Laptop Compatibility

This adapter suits owners of MacBook lines and laptops using part numbers 607-8967, a1418, a1419, or x33 requiring a BCM94331CD replacement. It supports operating systems from 10.7 to 10.11, Windows 7, 8, 8.1, 10, and Linux. Buyers needing a standard M.2 Key-E interface or higher throughput than 450Mbps should look at other options.

450Mbps ABGN Wireless Rate

The single specification that decides fit is the 450Mbps IEEE 802.11 a/b/g/N wireless rate combined with the proprietary Mini PCI-E form factor. Verify your device requires this exact BCM94331CD module and the 4.50 by 2.40 cm dimensions before purchase.

How it compares

Measured against everything we stock in Wi-Fi Cards & USB Adapters, at today’s prices. Recalculated every night.

Price $25.99
Pricier than about 65% of the 1,565 comparable items (median $18.99).

Specifications

Product
Product typeM.2 Wi-FI Adapter

Questions about this item

What wireless standard does the BCM94331CD support and what is the maximum throughput?

The adapter uses IEEE 802.11 a/b/g/n and reaches a top rate of 450Mbps on the 2.4G and 5G dual-band radios.

What physical slot and dimensions are required to install this card?

It fits a Mini PCI-E slot and measures 4.50 by 2.40 cm (1.77 by 0.94 inches).

How is the BCM94331CD installed in a MacBook and which step is often missed?

Insert the card into the dedicated Mini PCI-E connector, attach the two antenna cables to the U.FL ports, then install the matching Broadcom kexts for macOS 10.7 through 10.11 so the hardware is recognised.

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