The GTC06CF28-9S-B30-LC is a series of products designed and manufactured by Amphenol. It is a high-performance hermetic circular coaxial connector. It features 6 contacts, and has a diameter of 28mm. The 9S indicates the number of shells, while the B30 indicates the length of the backshell. The LC stands for locking coupler which is used to facilitate the secure connection of the two halves of the connector. The GTC06CF28-9S-B30-LC is suitable for use in high-frequency applications, such as military and aerospace applications, as it provides environmental sealing, high level of EMI protection, and mechanical integrity.