- TERA Accessories, TR-500 Accessories, Two-Way Radio AccessoriesThis TERA-500-USB software/cable combo allows PC programming for the TR-500 dual band Commercial/Ham radio. Includes a USB programming cable and Windows software CD-ROM disc. Works with Windows 8, 7, Vista and XP. The TERA TR-500 requires programming to first unlock and then program the radio. Questions? Contact us and we'll be happy to help!
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