$2000/month minimum from the best service provider, mBlox. MO (from a cell phone) is free and actually pays you revenue share from carriers at volumes above 50

$2000/month minimum from the best service provider, mBlox. MO (from a cell phone) is free and actually pays you revenue share from carriers at volumes above 50K/mo. MT (the "spam direction") is 2.5-4 cents each.