ST 500 "Piranha" Operation Manual: Selective HF Detector Channel
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3. "SELECTIVE HF DETECTOR" CHANNEL
The "SELECTIVE HF DETECTOR" channel is intended for the detection of analog and digital
wireless (utilizing GSM, LTE, Bluetooth, or WiFi) eavesdropping devices operating in the frequency
range 20 MHz - 6 GHz.
For the reception of radio signals, a telescopic antenna is used (
) that has a spherical
radiation pattern.
The antenna is connected to
a
socket
on
the
upper
surface
of
the
device (
The channel is activated from the main menu.
The detected signals are analyzed based on:
graphic information (spectrogram, oscillogram, table of signals)
acoustic information (via headphones or inbuilt speaker).
Functional Scheme of the "SELECTIVE HF DETECTOR" Channel
3.1. "PANORAMA" MODE
The "PANORAMA" mode is started by default when the "SELECTIVE HF DETECTOR" channel is
activated. All activity in the frequency band will be shown on the screen (fig. 9).
Functionality:
activating the AUTOMATED mode
activating the "WIRELESS COMMUNICATION" mode
activating the DIFFERENTIAL mode
analyzing the signal at a fixed frequency
setting the gain
adjusting the band limits
