Event Lighting M31 - Wireless Control ModuleOnline Stock Only. Local pickup may be available on some items with prior arrangement. We Price Match please call in or text 04 5555 1974. The M 31 Wireless Control Module, as its name suggests, adds wireless operation to your M Series machines. The M 31 delivers radio frequency technology you can depend on. You have the flexibility of wireless technology and the functionality you expect from Antari. Cable Length : 2 M Working Distance : Wireless, up