The W-20 wireless device will allow you to Transmit Audio & Video wirelessley. Once you have paired your PTZ Camera the W-20 will take over and run Audo and Video with no wires. No messy cables, the ULTRA PRO-ONE WIFI controller will prevent overhead or underground cabling. The W-20 will transmite distances up to 100M but this must be Open Space and will transmit a rate of 12Mbps. The unit is housed in an IP66 Waterproof enclosure.