Key Details:
AzureWave AW-CE123H

Standards: 802.11a/b/g/n
Features: WLAN + Bluetooth combo
Form Factor: PCI-E Mini Card
Compatibility: Laptops with Mini PCI-E slots; often used in older or budget laptops
Intel Dual Band Wireless-AC 7260

Standards: 802.11ac (dual-band: 2.4GHz and 5GHz)
Features: Wi-Fi + Bluetooth combo, supports faster speeds and improved range
Form Factor: Half Mini PCI-E
Compatibility: Laptops and desktops with Half Mini PCI-E slots; widely compatible with Intel-based systems
"Used AzureWave AW-CE123H (802.11a/b/g/n) and Intel Dual Band Wireless-AC 7260 (802.11ac) Mini PCI-E Wi-Fi/Bluetooth combo cards. Both cards are in good working condition and ideal for upgrading or replacing wireless connectivity in laptops or Mini-ITX builds. The AzureWave card is suitable for basic wireless needs, while the Intel 7260 offers dual-band support for faster, more reliable connections."
15 euros each