Spectrum analyser for iOS devices

25 January 2012 Test & Measurement

Oscium has developed a spectrum analyser that leverages the intuitive features and touch screen technology found in the iOS family of products (iPad, iPhone, iPod touch). The WiPry-Combo enables these products to function as a power meter and spectrum analyser on the go. The tool enables users to visualise real-time radio frequency signals in the 2,4 GHz ISM band and is well suited for detecting open WiFi channels and identifying unauthorised WiFi access points.

The real-time view has useful features such as average waveform, max hold, raw wave, heat map and more. The colourful display leverages the OpenGL display on the iOS device. A ‘waterfall view’ shows RF activity as frequency over time with data moving from the top of the screen toward the bottom. This is perfect for analysing frequency hopping systems and other protocol related phenomena.

RF power measurements are presented on a graphical interface showing the waveform of the amplitude with respect to time. It operates exactly like an oscilloscope but instead of showing voltage, it displays RF amplitude, allowing users to capture, trigger and record actual power output as one would voltage on an oscilloscope. With an optional conducted measurement kit, WiPry-Combo is also capable of conducted measurements as well as non-RF related triggering. Data is collected at up to 12 MSps allowing analysis and verification of the smallest protocol level on/off times.

For more information visit www.oscium.com

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