While Wi-Fi can be used and an optional Wi-Fi dongle (ViewSonic VSB050) is required, it is not ideal since Quality of Service (QoS) may not be maintained.
For additional questions, please contact ViewSonic's Support by submitting a support ticket HERE or by Phone: US: 800-688-6688, CAN: 866-463-4775. ViewSonic’s call center hours: M-F, 6 AM - 6 PM PST.