It’s hard to know if the original engineers that designed the DTMF system for in-band signaling really knew what they were starting. They were searching for a more flexible user interface to the ...

A new study introduces the Community Land Active Passive Microwave Radiative Transfer Modeling platform (CLAP)—a unified multi-frequency microwave scattering and emission model designed to ...

--(BUSINESS WIRE)--Keysight Technologies, Inc. (NYSE: KEYS) has expanded its radio frequency (RF ... generators provide excellent signal purity, fast switching, multi-channel phase coherency ...

The team developed a novel metasurface antenna capable of simultaneously generating and controlling multiple frequency components ... transmit multiple signals to users in different directions ...