Try to find several a ferrite antennas, used in older SW/LW radios.Wind around it 10-15 turns of the CAT5 UTP cable at each end of the two cables, separately. If you have industriea ferrite beads it is even better, but use the large kind, enough to accept at least 10 windings. Another very good thing is to ground both of the instalations (Wireless and Repeater). Also, like someone said, remove the normal cable end install shielded UTP cable instead. Be sure that the shielding of the cable is grounded also. If all this fails, there is a remote possiblity that the Wireless sistem has some flaw that results in high reflected wave and harmonics that translate into your receiver system. Best regards, YO2MBK.
