The Camera Cloud Camera / Panasonic K-EP104LWE & Cameramanager go! / BL-VT164W can be used both wired and wireless. When adding the camera to your account, you connect the camera to your router via the supplied Ethernet cable. If desired leave the Ethernet cable in the router for a wired connection. Or follow the wireless setup, to use the camera via a wireless connection. You can turn on the Wi-Fi for your camera by following the steps at the question "How can I add a camera to a Wi-Fi network?".
Cameramanager 360° / the Panasonic WV-SF438 only works via an Ethernet connection. Wi-Fi is not supported by Cameramanager 360° / the Panasonic WV-SF438.