This adapter is designed to connect GP328, GP340, GP640 Retevis RT82, RT648, O7150, and PTX780 radios with a multi-pin connector to devices with a 2-pin or Hirose 6-pin connector. It allows seamless integration and communication between different radio models and accessories. Crafted with precision, this adapter ensures reliable connectivity and efficient signal transmission. Its compact size and durable construction make it a convenient and long-lasting solution for enhancing the versatility of your radio equipment. Upgrade your setup with this essential adapter and enjoy hassle-free operation.