Dear UC San Diego Faculty, Staff and Students,
On Monday, March 23, at 6 a.m. PDT, IT Services will be turning off the 2.4 GHz Wi-Fi band on the campus UCSD-PROTECTED wireless network as a strategic move to improve your daily wireless experience.
Why We Are Retiring the 2.4 GHz Network
1. Clearing the "Digital Traffic Jam"
Think of the 2.4 GHz band as a narrow, three-lane road. On a busy campus, thousands of devices are trying to use those same three lanes at once. This leads to "gridlock," where your videos buffer, and your documents fail to sync. By moving everyone to the 5 GHz and 6 GHz bands, we are moving the campus onto a spacious, multi-lane superhighway designed for high speeds.
2. Reducing Interference from Everyday Objects
The 2.4 GHz frequency is "noisy." It isn't just used by Wi-Fi; it’s the same frequency used by Bluetooth headphones, wireless mice, and even microwave ovens. This "background noise" interferes with your connection and can cause it to drop unexpectedly. Switching it off allows your devices to communicate clearly without this constant digital static.
3. Faster Connections for Everyone
Newer devices might stay connected to the slower 2.4 GHz signal because it has a long reach, even if a much faster 5 GHz signal is available. Turning off the old band forces your device to use its fastest possible connection, ensuring you get the best performance on your phone or laptop.
4. Better Battery Life
When your device is fighting through a congested 2.4 GHz signal, it must work harder and use more power to send and receive data. On a cleaner, faster frequency, your device finishes its tasks quicker and saves battery life throughout the day.
How This Affects You
