Absolutely No Wires Dejavoo M Line wireless terminals truly turn every POS into a Self Service Station. Get outside the store, the M3 is full-featured wireless hand-held terminal available today. Accepting payments everywhere business calls for, under all circumstances! Dejavoo connections to Transaction Payment Gateways as well as its Value Added Server accede an desktop or other wireless terminal, and in fact gives merchants more options to improve and complete their business needs, on the go!