An antenna device includes a connecting component and an antenna. An elongate bore extends along the length of, and through, the elongate body. polyethylene terephthalate, polybutylene terephthalate, polynaphthalene terephthalate, polytrimethylene terephthalate andor polyesters of other dicarboxylic acids and diols including copolymers thereof. The blade is interchangeable and a carrying case, belt holster attachment, and special battery charger are provided. The VBV shifter is further configured to remove an encoded coding unit of the plurality of encoded coding units from the common data pool to be combined with other encoded coding units of the plurality of encoded coding units for transmission on the communication link based on a target bitrate.