You can use regular plugs without concern. Telephones are plentiful and allow direct dial international long distance. Modems and Fax's are usable. There are internet servers available for email access. Bank wire transfers and American Express transfers as well as VISA, MasterCard, Diners, Carte Blanche are widely accepted in commercial districts.
Transportation is safe and abundant.
Aircraft follow FAA guidelines. Taxi's are licensed, and very reasonable. Public busses are on schedules. Roads are generally well maintained and regularly patrolled by Police. P anama is a quiet but fortunate democratic republic.