The PandwaRF RF Analysis Tool

Recently we heard about the PandwaRF Portable Analyzer (previously known as the GollumRF). This is not an SDR, but can probably be described as a programmable and computer controlled radio. It appears to be based on the Yardstick One design which is made by Micheal Ossmann, the creator of the HackRF. Both the Yardstick One and PandwaRF are based on the CC1111 sub-1 GHz RF transceiver chip. These types of pseudo-sdr’s can be very useful for reverse engineerin, analyzing and experimenting with simple digital signals.

For example it could be used to capture data from any ASK/OOK/MSK/2-FSK/GFSK modulation in the 300 – 928 MHz band. You can then easily analyze the data, and the restransmit the same or a modified signal. The same could be done with a TX capable SDR like the HackRF, but doing so tends to require a lot more work.

The difference between the Yardstick One and PandwaRF appears to be mainly in the connection interface. The PandwaRF is essentially the Yardstick One with a Bluetooth LE connectivity and an Android/iOS smartphone app. USB connectivity for Linux still exists. It also has an internal battery whereas the Yardstick One does not. They wrote a post comparing the RTL-SDR, Yardstick One and PandwaRF here.

The device seems to be new, as it just starting shipping in November and the first batch is still being sold. It costs 145 euros and appears to originate from the EU. There is also a ‘mini’ version in pre-order which also costs 145 euros. In comparison the Yardstick One costs about $99 – $145 USD depending on the shop you choose.

The PandwaRF
The PandwaRF
PandwaRF Android App
PandwaRF Android App

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