have just bought a new tom tom via135 with european maps I had a older tom tom one and this used the tmc reciver with a mini usb conector the new via has a micro usb conector i bought a convertor cable but the new via cant see the tmc reciver has any one any idea if they will work with the via you can buy one from tom tom at the same price so they must be compat exept the conector any thoughts anyone