Broadcom 802.11n Network Adapter -

But chipmakers, led by Broadcom, didn't wait.

These standards used technology. As video streaming, online gaming, and large file transfers grew, 54 Mbps became a bottleneck. Range was also limited — walls and interference easily killed connections. broadcom 802.11n network adapter

Early draft-n adapters from different chipmakers (Broadcom, Atheros, Intel, Ralink) often didn't interoperate reliably. Vendors pushed firmware updates, but compatibility was a mess until the final standard. But chipmakers, led by Broadcom, didn't wait

| Chipset | Typical Product Name | Max Speed | MIMO | Bands | Notes | |---------|---------------------|-----------|------|-------|-------| | BCM4312 | Broadcom 802.11n | 150-300 Mbps | 1x1 or 2x2 | 2.4 GHz only | Low-power, cheap — used in many netbooks | | BCM4322 | Broadcom 802.11n | 300 Mbps | 2x2 | 2.4/5 GHz dual-band | Very common in 2008–2012 laptops | | BCM43224 | Broadcom 802.11n | 300 Mbps | 2x2 | Dual-band + Bluetooth 3.0 | Combo card, used in MacBook Pro (2011-2012) | | BCM43225 | Broadcom 802.11n | 300 Mbps | 2x2 | Dual-band | Lower cost variant | | BCM4313 | Broadcom 802.11n | 150 Mbps | 1x1 | 2.4 GHz only | Single-stream, budget laptops | | BCM4331 | Broadcom 802.11n | 450 Mbps | 3x3 | Dual-band | High-end, MacBook Pro Retina (2012) | Range was also limited — walls and interference