 This effort resulted in the revolutionary approval of low-power medical wireless devices to operate in specific frequencies, making the U.S. the first country in the world to make spectrum available for this specific usage.Devices used in these frequencies include electronic implants that allow paralyzed patients to regain use of their limbs, as well as mobile monitors of patients' vital signs.Commissioner McDowell is a former lobbyist for telecommunications companies that compete against the Baby Bells.