Not all crystal sets take this slapdash approach, of course, and some, like this homebrew multiband crystal receiver, aim for a feature set and fit and finish that goes way beyond the norm.

This work reports the design of an efficient multiband UC system based on Ln3+/Yb3+-doped core-shell upconversion ...

Through a series of electrical and optoelectronic experiments, the paper reveals the working mechanism of the multiband optical response of the MoS 2 device. The work is published in the journal ...

Ericsson has been chosen by Ooredoo Qatar to supply and deploy the latest Radio Access Network and Microwave backhaul solutions ...