Combine the output of two different SiriusXM Radio antennas, such as the PRO-500 or PRO-600 antenna, for simultaneous reception of XM and Sirius satellite signals from each antenna onto a single feed cable. The kit includes jumpers to match phase to 1/8 wavelength. Use it to combine XM and Sirius antennas without utilizing RG-6 cable. Just Connect your receivers' Patch Cables to the SMBF's provided.
Permits optimum phase alignment of the dual antenna installations