i made an smb to motorola cable from some rg316, an smb connector and a trip to maplins for a connector.
other alternative would be to use an smb to sma connector and then sma to motorola
The hirschmann, kinetic and blaupunkt antennas are all very similar. i think they are probably made in the same factory. one wire is power, it grounds through the aerial base, the other two wires are am/fm and dab