You can try the following to avoid or minimize the Wi-Fi signal interference.
- Keep the unit at least 3 meters away from such devices
- Use a WEP/WPA encryption key when you create the wireless connection to your PC or home network
- Change the Wi-Fi channel on the unit
- In ad hoc mode, you can change the channel on the device directly
- In Infrastructure mode, you need to change the channel on the router
- Turn the unit in different directions to minimize the signal interference