New 2 ultra setup. Base is 5m away from each cam signal strength is good on testing but signal bar only shows one red dot also slow to view live one more than another.New 2 ultra setup. Base is 5m away from each cam signal strength is good on testing but signal bar only shows one red dot also slow to view live one more than another. All mains operated. If I purchased a second base will this improve response times for live feed ?