Borrowed a different stick. It has stable 1 ms ping times whereas the TP-Link is volatile between 1 ms and 3000 ms. Same conditions. Same USB port etc. EDIT: so, problem sovled. Using a different...

Additional info: Tested again yesterday. Stable connection for 45 mins. Then I plugged in my USB joystick next to the wifi stick => ping failed. Unplugged joystick => ping successfull. Is this...

Hi, my router is a FRITZ!Box 7270 V3 (latest OS), 2.4 GHz, 802.11n+g, WPA2. There is only one PC (Windows 10 x64) connected via cable, just 1 m away. As I'm about to move to one floor above, I bought...