A package-to-package communication system is provided including a first package having integrated on a first substrate a first antenna, a second antenna, and a first transceiver coupled to the first antenna and the second antenna. The first antenna is arranged along a first edge of the first substrate. The second antenna is arranged along a second edge of the first substrate. A second package having integrated on a second substrate a third antenna, a fourth antenna and a second transceiver coupled to the third antenna and the fourth antenna. The third antenna is arranged along a third edge of the second substrate. The fourth antenna is arranged along a fourth edge of the second substrate. The first antenna and the third antenna are configured to communicate signals of a vertical polarization. The second antenna and the fourth antenna are configured to communicate signals of a horizontal polarization.