You may want to review the wireless security encryption used with your wireless network. We suggest WPA2-AES instead of older encryption types.
Intel WiFi Products — Data Rate Will Not Exceed 54 Mbps When WEP or TKIP Encryption is Configured
It is advised to get the latest driver from the system manufacturer and avoid interference in your wireless environment by using a different channel or band.
You can also contact Intel support for further troubleshooting.
U.S.
Phone: 1-916-377-7000, Monday – Friday, 07:00 to 17:00 (US Pacific Time)
Worldwide