The Wi-Spy is a 2.4-GHz spectrum analyzer that s about the size of a small USB flash drive. According to its manufacturer, MetaGeek LLC, it s the smallest such analyzer in the world and it only costs ...

[Learnelectronics] purchased some near-field EMI probes for his tiny spectrum analyzer for about $5 on sale. Could they be any good at that price? Watch the video below and find out. The probes ...

You would think the hard part about creating a spectrum analyzer using a pint-sized ATTiny85 would be the software. But for [tuenhidiy], we suspect the hard part was fabricating an array of 320 LEDs ...

Pretty much this, but no packaging or CD as they're long gone:<BR>http://www.metageek.net/products/wi-spy<BR><BR>Mine is from the very first run of Wi-Spy devices ...

A spectrum analyzer, engineer Mark Persons explains, is a marvelous tool that creates a “window” into the world of radio ...

No instrument, whether in the time or frequency domains, is suitable for all use cases. Signal/spectrum analyzers shine for ensuring standards conformity. Oscilloscopes tend to be more versatile, ...

Modern wireless communications are using increasingly wide bandwidth-modulation schemes, and packet communications are getting faster. Transmissions are increasingly time-varying. Radios often ...

A new quantum sensor can analyze the full spectrum of radio frequency and real-world signals, unleashing new potentials for soldier communications, spectrum awareness and electronic warfare. Army ...

Vortex light carries orbital angular momentum (OAM) characterized by exp(ilθ), where θ is the angular coordinate and l is the topological charge (TC) 1. OAM beams have been widely used in a variety of ...

ADELPHI, Md. - A new quantum sensor is capable of analyzing the full spectrum of radio frequency and real-world signals, unleashing new potentials for Soldier communications, spectrum awareness and ...