If you are looking for a bulk order manufacturer of Atheros QCA9880 WLE600VX 2x2 MIMO 802.11ac WAVE 2 Wireless Module.
Or Atheros QCA9882 WLE900VX 3x3 MIMO 802.11ac WAVE 2 industrial wifi card.
Pls have a look at Maxon's MX520VX and MX530VX WiFi5 modules.
With specification:
QCA9880 QCA9882
IEEE 802.11a/b/g/n/ac
OFDM (BPSK, QPSK, DBPSK, DQPSK, CCK, 16-QAM, 64-QAM, 256-QAM)
MIMO 2x2 / MIMO 3x3
Output (Per chain) 21dBm
Bandwidth 20/40/80/MHz
Frequency 2412~2472MHz, 5180~5825MHz
Throughput 867Mbps / 1300Mbps
Mini PCIe 1.1
Antenna 2x U.FL / 3x U.FL
Voltage 3.3V
Power Consumption ≤3.5W
Operating Temp. -20~70℃/-4~158℉
Storage Temp. -40~90℃/-40~194℉
Operating Humidity -5%~95% (non-condensing)
CE/FCC/RoHS
51x30x3.2mm
https://www.mxcomm.cn/products/industrial-wireless/wifi-module.html