Check the listing for details. Stilo AB0520 WL-10 Wireless Intercom System for Driver-Co-Driver Communication. Condition: New. Listed at 819.95 USD. The WL-10 Wireless Intercom is the next step in rally intercom technology as connection, as the name describes, is now completely wireless with the crew's helmets.\nBased on the world's ONLY active digital noise-canceling intercom the Stilo DG10. the WL-10 Wireless has had a few more improvements making this the ultimate in motorsport communications and the WORLDS first wireless intercom for rallying. THIS PRODUCT IS JUST THE INTERCOM, please see PN:AQ0001 bundle which includes the DG Wireless intercom (AB0520) and 2x wireless helmet keys, (AG0001) paired and ready to use.\nWhile powered from the car's 12 volt supply the biggest change in this intercom is the wireless functionality allowing you to drop the connection cables with the crew's helmet.