Aerials; Camcorders; Earphones; Radios; Cell phones; Data cables; Fitted radio covers used to protect automobile radios; Frequency meters; Global positioning system (GPS) apparatus; Internal cooling fans for smartphones; Marine radios; PC tablets; Portable emergency intercoms; Portable radios; Radio-frequency power meters; Rechargeable batteries; Vehicle radios; Walkie-talkies; Wireless headphones; Wireless narrowband radios