Features: The Radio Adapter box enables full mode digital communication for radios including for 817/857/897 with stable USB chip ensuring consistent port recognition across devices. Features isolated grounding architecture and metal casing to prevent electrical interferences, safely bridging computer radio connection while supporting simultaneous operations through dedicated port. Ideal for amateur radio operators and communication enthusiasts requiring multi functional PC radio integration for advanced digital transmission across bands. Perfect for field operations, home stations, or emergency communication setups where reliable audios input via DATA port ensures uninterrupted SSTV/FM transmissions. Engineered with double channel audios routing to overcome mode limitations, this universal radio interface adapter delivers true all band compatibility for digital to signal conversion. Specifications: Material: Metal Size: about. 12x7cm/4.72x2.75in Applicable Model: for 817/857/897/7800/8800/8900/100D/450 Package Includes: 1 Set Adapter Box note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.