In a traditional radio architecture, wiring four antennas to the radio head unit requires up to 20 meters (60 feet) of copper cables. A new architecture detaches the tuners from the radio head unit, placing them near the antennas and serializing their outputs. This reduces the length of the wiring by roughly a factor of four. The overall effect is significantly lower weight and cost, improved noise immunity, reduced heat generation, and less complexity in the radio head unit.
