hi all, i have two starview boxes. both in working order,(n-l, dublin) however when i use a splitter to use them in seperate rooms i get "no signal" after reading this forum i now know i probably need a signal booster.i have looked for them on the net but as they range from a couple of euros to 50 euro i am unsure as to which one i need to buy. any help would be appreiciated