ZK-7638U is the small size and low power module for IEEE 802.11 ac/b/g/n wireless LAN.

ZK-7638U is based on MT7638GUN solution. IEEE802.11 ac/b/g/n +bt5.0.

Dual Band WLAN infrastructure
Size:26.9mm x 15.4mm x 2.4mm
2.4GHz&5GHz internal PA
Two stream spatial multiplexing up to 300 Mbps ANT(2T2R)
Use on-chip OTP(One-Time Programmable) MT7638 USB2.0
USB/WiFi 2.0
USB/Bluetooth V5.0 Low energy(LE)