Another is interference: too many femtocells in close proximity could interfere with each other, or with existing mobile networks.Yet the biggest hurdle is the economics.
He thinks the whole thing is interference.
"Interception of communications is interference with democratic rights.
"Talking about Bangladesh's internal politics is interference in the internal affairs of the country," he said.
It is interference only when the batter intentionally gets in the way of the fielder".
There is interference with the heart's ability to fill with blood and reduction of cardiac output.
One source of such a deficiency, called secondary, is interference with absorption of the vitamin.
"There is absolutely no direct evidence that there is interference with implantation," she said.
He says it is interference in Cuba's internal affairs, and dovetails with America's trade embargo against the island.
"Imposing curbs on people and preventing them from discharging their religious duties is interference in our religious matters".
Other political parties and groups that were left out in the Bonn agreement are demanding a share of power, and there is interference from neighboring countries, particularly Pakistan.
