Add Yahoo as a preferred source to see more of our stories on Google. Small drones can be hard to track at night. Kevin Carter/Getty Images The recent spate of unidentified drone sightings in the U.S.

Amateur radio operators and shortwave listeners have a common enemy: QRM, which is ham-speak for radio frequency interference caused by man-made sources. Indiscriminate, often broadband in nature, and ...

Radio Frequency Identification (RFID) systems have evolved into a critical technology for automated object identification and tracking across diverse applications, ranging from inventory management to ...

An internet portal promoting standardisation of radio-frequency identification (RFID) technology for tracking aircraft parts has won the backing of Airbus and Boeing. The Antenna portal, a joint ...

Keysight Technologies, Inc. has expanded its radio frequency (RF) and microwave instrument portfolio with six new analog signal generators, two vector signal generators, eight RF synthesizers, and ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Some of this recent increase in activity may ...

(The Conversation) – The recent spate of unidentified drone sightings in the U.S., including some near sensitive locations such as airports and military installations, has caused significant public ...