FT-RF Waveguide to Coax Adapters has N-type and SMA connections. The frequency range for this Waveguide Coaxial Adapter Series is 350 MHz to 18 GHz, with a low VSWR.

Microwave equipment is frequently connected to coaxial components such as attenuators, switches, and couplers using waveguide-to-coaxial adapters. They are frequently used in satellite and terrestrial communications equipment.