Epson ELPAP10 Wireless LAN Module for Projectors : Amazon.ca: Electronics
Wireless Wi-fi Lan Usb Adapter Elpap10 For Epson Eb-x41 Eb-x31/x31e Eb-s31 Eb-s39 Eb-s04/s04e Eb-s41 Projector Wireless Usb Card - Remote Control - AliExpress
Epson ELPAP10 802.11 b/g/n Wireless LAN Module | AV Australia Online