IEEE 802.11ac (Wi-Fi 5), backward compatible with 802.11a/b/g/n.

If your laptop has a , replacing the RTL8821CE can dramatically improve performance. Suggested upgrades:

Installation is relatively straightforward: simply insert the adapter into an available PCIe slot, install the drivers from the included CD or download them from Realtek's website, and you're good to go.

The RTL8821CE is built on a 1x1 (1-stream) architecture, meaning it uses one transmit and one receive path.