Hi There, I have a pair of Motorola 2 way radios and require the user manuals. Im not sure of what numbers you need for the devices by I have 2. There's on located on the back of the unit (exterior) FCC ID:K7GMRCEE and there's a number located under neath the battery that reads MDl: MR356R Made: 23/MAY/2011 Tnp: MR355BAXUSCMXX. These are all the numbers located on the device. Look forward to your reply. Kath