Straight radio leads are interchangeable radio connections leads which allow a single interface to be used with any radio. The leads provide flexible operation and a simple upgrade path for connecting new radios. Each type of lead provides the correct physical connection for a particular radio and automatically configures the interface to provide the appropriate electronic operation. The leads are available with the correct connectors for use with all modern portable radios. Interchangeable leads for connecting different radios to a Lynx radio interface.