Disclaimer: Items on the website are not be used for the purpose of illegal surveillance of unsuspecting subjects. The items are to be used only in compliance with all the local laws and regulations under the threat of penalty.
Delta X 100/4 Counter surveillance sweeping system offers an updated rate of 100 MHz per second, a frequency range from 40 kHz to 4400 MHz, and a 45 seconds reaction time.
Delta X 100/4 will soon be back in stock, in the meantime, you can find this a temporary replacement:
This is a highly professional, portable anti-surveillance system controlled by a laptop. The hard drive of the laptop makes full data logging possible 24/7. (It is also compatible with touch screen laptops). It detects digital signals with short bursts by accumulating data.
The device comes with new features that are available in the latest updates.
They include the updated "Alarms" graph that can now render two graphs simultaneously (general alarms, and signal alarms). Email alerts can be sent via email and a check for updates button has been added to the interface.
The Generate Report feature now allows exporting the detection results into a PDF file. The report completely describes the RF environment in the surveilled zone, by listing dangerous and non-dangerous signals. These signals are then shown in the following graphs: Alarms, Spectrogram, Waterfall, and Persistence. Here is an example of the report.