transport electronic equipment, instructing them to pack items a piece at a time in carry-on luggage, and also traveled with American Jewish humanitarian groups undertaking missions on the island so he could intercede with Cuban authorities if questions arose. Gross declared that he was thoroughly inspected by the customs officials at Jose Marti International Airport when entering the country and that he declared all of the items in his possession. The equipment he brought to Cuba on his fourth trip, most but not all of which is legal in Cuba, included 12 iPods, 11 BlackBerry Curve smartphones, three MacBooks, six 500-gigabyte external drives, three satellite modems known as BGANs, three routers, three controllers, 18 wireless access points, 13 memory sticks, three VoIP phones, and networking switches. In his report on this trip, marked as final, he summarized: "Wireless networks established in three communities; about 325 users". However, he went to Cuba for a fifth time in late November 2009 and was arrested 11 days later. When he was arrested, he was carrying a high-tech chip, intended to keep satellite phone transmissions from being located within . The chip is not available on the open market. It is provided most frequently to the CIA and the United States Department of Defense, but can also be obtained by the United States Department of State, which oversees USAID. Asked how Gross obtained the card, a USAID spokesman said that the agency played no role in helping Gross acquire equipment. Arrest Gross was arrested on December 3, 2009, at the El Presidente Hotel, where he was staying. He was jailed first at Carlos J. Finlay Military Hospital, then Villa Marista prison, a detention center. According to classified U.S. diplomatic cables released by WikiLeaks, the arrest came amid heightened tensions between Cuba and the U.S. Gross spent 25 days in jail before receiving his first visit from a U.S. diplomat, but was visited by a Cuban attorney earlier and was allowed to telephone his wife four days after his arrest on December 6 for the first time and again on December 23. During the one-hour visit by the representative of the United States Interests Section in Havana on December 28, 2009, Gross stated that Cuban officials were "treating him 'with respect," though his interrogation had been "very intense at first," lasting an average of two hours a day. According to the cable, the cell Gross