Weltech Electronics manufactures Co-Axial Connectors / Adaptors with Thermal Variations. Weltech Electronics manufactures Connectors, Audio-Video, CATV-MATV Accessories and Components, Audio-Video Parts, Jacks, Electromechanical Components, Plugs and Sockets, RF or Microwave Co-axial Connectors, Receptacles and Adapters such as PAL, F, RCA, UHF, Mini UHF, N, BNC, TNC, SMA, SMB, FME [SAP], Fibre Optic Connectors and Adapters etc. The Co-Axial Connectors / Adaptors with Thermal Variations come under the brand name "TNC Series" use a threaded coupling arrangement. The Co-Axial Connectors / Adaptors with Thermal Variations have applications like mobile communications, avionics and antenna ports for wireless base units.