What does "1000.5 is the dish for lower signal areas" exactly mean? Areas that are known to get pretty weak signals?1000.4 is the normal Eastern Arc dish desihned for 80% of the installs
1000.5 is the dish for lower signal areas
As for the size 1000.4 will be close to the 1k.2 the 1000.5 will be a little bigger. As for the exact specs I dont know.