Frequency Hopping

Wireless Keyboard And USB 2.4 GHz Receiver For about $25 at the nearby Best Buy or Walmart you can pick up one of these HP Elite V2 wireless keyboards for use with your laptop or desktop computer. I found myself in the market for a replacement keyboard after I spilled a drink over my keyboard and,...

The figure above shows WiPry-Combo Spectrum Analyzer measuring the frequency-hopping signal from a Jawbone Bluetooth earpiece. Since the earpiece did not pair with another device, it continued transmitting the pairing initiation signals that are captured on the iPod’s display. WiPry’s Heat Map view...