Use the SP-WIFIUSB Wireless Module from InFocus to add wireless connectivity to your projector. It works with IN1110a, IN1112a, IN3916, IN3124, IN3126, IN3128HD, IN3924, IN3926, and IN1144 projectors.
It connects instantly to any available USB port, and is plug-and-play; requiring no complicated driver installation.
Use this 802.11 USB adapter by TP-Link to enable a wireless connection to your interactive projector
Plug the adapter into the projector's USB type-A port for WLAN display and control
Uses 802.11 Wi-Fi and complies with IEEE 802.11b/g/n standards
Works with IN1110a, IN1112a, IN3916, IN3124, IN3126, IN3128HD, IN3924, IN3926, and IN1144 projectors