Wireless File Transmitter WFT-E4 II A for Canon 5D Mark II
Like new barely used in box and includes battery charger CG-580 and unknown capacity of battery Canon BP-511A

Canon's WFT-E4 IIA Wireless File Transmitter (WFT) is designed exclusively for 5D Mark II Digital SLR cameras. The WFT-E4 IIA provides professional photographers digital connectivity options including IEEE802.11a/b/g and Ethernet.

WPS (Wi-Fi Protected Setup)
To help make connecting the WFT unit to a wireless network even easier than before, Canon has added a Wi-Fi Protected Setup (WPS) option for a one-touch connection to local wireless networks.