No.
Unless Mediatek release a stable driver for Linux and someone creates a PKGBUILD and make it available from Arch User Repository, this will likely never happen.
Your options are
-
Get a replacement card (inside laptop)
- be sure to get a compatible version
- the number of antenna connections is important
-
Get usb dongle a lot of usb wifi dongles exist
- the chipset used is paramount
- be sure it is compatible with Linux
I own the following USB devices with kernel support - therefore working OOB - identification using lsusb
- ALFA AWUS0336ACS
ID 0bda:0811 Realtek Semiconductor Corp. Realtek 8812AU/8821AU 802.11ac WLAN Adapter [USB Wireless Dual-Band Adapter 2.4/5Ghz] - TP-Link TLWN722N
ID 0cf3:9271 Qualcomm Atheros Communications AR9271 802.11n - TP-LINK Archer T2U
ID 148f:761a Ralink Technology, Corp. MT7610U ("Archer T2U" 2.4G+5G WLAN Adapter - Wi-Pi OYR-COMFAST88
ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter
The Edimax EW-7811Un is another adapter which works with Linux