ST-131 Piranha II – Rilevatore di radiofrequenze multifunzione

Descrizione

Multifunction detection device ST131 PIRANHA-II is intended for detection and localization of special technical means (STM) used for surreptitious obtaining of information, as well as identification of natural and artificial sources of information leakage.

The main types of the STM, for detection of which ST131 is intended, include the following:

The STM with transfer of information by radio channel. Such devices include first of all:

  • Radio microphones including devices with storage and subsequent transfer of information (burst transmitter) and Frequency Hopping Spread Spectrum (FHSS);
  • Telephone radio broadcasting devices.
  • Radio stethoscopes.
  • Wireless video cameras.
  • Mobile telephones and modems of CDMA, GSM, UMTS, DECT standards used without authorization.
  • Devices using digital channels of data transmission of WLAN and BLUETOOTH standards.
  • Radio beacons for object movement tracking.
  • The STM that use AC power, telephone, security and fire alarm lines for information transfer.
  • The STM characterized by information transmission in infra-red range.
  • The STM characterized by transmission of information in ultrasonic frequency range.

SPECIAL SOFTWARE “ST131 ANALYZER- PRO” HIGHLY EXTENDS CAPACITIES OF ST131 FOR ANALYSIS AND PROCESSING OF SIGNALS.


MAIN UNIT

Function Explanations:

Top/Front Side

  1. Receiving-transmitting and control socket in RADIO channel as well as for connection of SHF and infrared detectors.
  2. Socket for connection of transducers operating in ACOUSTIC channel and Magnetic Field Probe
  3. Socket for connection additional Probes
  4. Socket for connection of UHF convertor (RADIO channel) and wire line adapter (WIRE LINE channel)
  5. Valcoder

Bottom/Right Side

  1. Line Out
  2. “3.5” socket for connection of headphones
  3. Volume
  4. Battery compartment covers.
  5. Power ON/OFF
  6. Power supply socket
  7. USB socket

Front Side

  1. +” and “” increase/decrease of display brightness level and switching between the bands
  2. SET” entry in main MENU
  3. INFO” – entry in the current settings indication of the device
  4. CONTEXT BUTTONS
    Purpose of the context buttons F1 – F5 indicated in the lower line of the display depends on the selected detecting channel and operating mode in this channel.
  5. FUNCTIONAL BUTTONS
    Full“- switching on the mode FULL RANGE
    BND” – switching on the mode BAND
    DMD” – switching on the mode DEMODULATION
    L” – -switching on the sub-mode SCALE
    MEA” – access to measuring function
  6. М” – switching in sub-mode MEMORY
  7. А” – switching in sub-mode AUTOMATIC ANALYZING
  8. ><” – manual selection of noise level relative to zero value and movement of items in the MENU
  9. >0<” – automatic selection of noise level relative to zero value
  10. ENT” -enter (press VALCODER also equal to press Enter)
  11. 0-9, .” – digital keyboard

UHF CONVERTER ST131.UHF

UHF converter is a downconverter of 30 MHz – 4400 MHz frequencies into the frequency range of WIRE LINE channel.

  1. TNC socket
  2. Thread opening ¼”
  3. Switching-on and battery discharge indicator
  4. Indicator intensity of data exchange
  5. Power switch ON/OFF
  6. Battery compartment cover

WIRE LINE ADAPTER ST131.AWL

In ST131AWL constructively combined:

  • Reducing the transformer voltage converter designed to operate in the frequency range of 0.01-30 MHz
  • Low-frequency differential amplifier designed for use in the acoustic frequency range (0.3-15 KHz).
  • Switching unit controlled directly from the main unit and provides the necessary connection of pairs of contacts of the RJ-45. Connection is made as to the most common combinations of pairs and arbitrary, user-defined option.

Connecting to a study done through the line:

  • Connector RJ-45 (3) provide connection to ETHERNET and a telephone line with software, if necessary, pass-through connection.
  • Connectors for connecting test leads (1) that provide connection to other types of wire lines with clips such as “Crocodile”.

After selecting a channel “wired” and pressed the button «COMM» of options provided by the commutation of pairs of contacts are connected to the RJ-45 connector.
Combination of “4-5”, “3-6”, “1-2” and “7-8” are the most likely options are selected and pairs of priority.
Also provides access to the arbitrary choice of pairs (with the exception of the same name), change the polarity and detach from the investigated line.

For attachment to the supplier and holder of the shoulder of the main unit includes a magnet holder and a special slot.

  1. Bananas socket
  2. Ground connector
  3. RJ-45 socket
  4. Indicators of voltage in Line (LINE)
  5. Indicator of overload of signals (OVERLOAD)
  6. Indicator of power supply and link with the main unit (PWR/LINK)

INFRARED PROBE ST131.IR

It is a device integrating receiving photodiode and pre-amplifier.

  1. Infrared probe
  2. Socket
  3. There thread is used for connecting to turning mechanism of the SPECIAL HOLDER.

SPECIAL HOLDER

The HOLDER is intended for facilitation of search of IR transmitting devices those installed at external side of the window in the direction “from the window”.

  1. Handle
  2. Four sections total length of 900 mm.
  3. Turning mechanism

SHF DETECTOR “ST131.SHF”

ST131.SHF consists of the log-periodic antenna and SHF detector-amplifier integrated in one body.

  1. Handle
  2. Log-periodic antenna

MAGNETIC FIELD PROBE (ST131.MF)

ST131.MF consist of the ferrite antenna (FA) placed in the upper part of the detector, pre-amplifier and a handle with integrated battery compartment.

ST131.MF operates in two modes – directly as a magnetic field intensity sensor and as a GRADIOMETER. When using GRADIOMETER mode influence of remote sources of magnetic field is reduced significantly.

  1. Thread opening ¼”
  2. Switching-on and battery discharge indicator
  3. ON/OFF power switch
  4. Battery compartment cover

UHF antenna (ST131.UHF.A)

ST131.UHF.A is a broadband passive antenna.

  1. TNC socket
  2. Аntenna

DETECTING CHANNELS

  1. RADIO
    RF channel
    VHF (0.01-30 MHz)
    UHF (30-4200 MHz)
    SHF (4000-18000 MHz)
  2. WIRE
    WIRE LINE channel (0.01-30 MHz)
    DLA (0.3-15 KHz)
  3. OPTICAL channel
  4. ACOUSTOELECTRIC channel (0.01-125KHz)

CHANNEL “RADIO”

Selective receiving and subsequent processing of radio signals within the range of 10 KHz – 4200 MHz is provided in this channel.

Use of SHF antenna-detector expands frequency range up to 18 GHz.


WIRE LINE CHANNEL

Receiving and processing of the signals transferred by wire line of different purpose (power line, telephone network, computer networks, security and fire alarm lines, etc) with AC or DC voltage up to 250 V.

The main unit is connected to the lines through a wire line adapter (AWL).


OPTICAL CHANNEL

Receiving and processing of the radiations in the optical frequency range is provided in this channel.

Infrared detector ST131.IF is intended for operation in this channel.


ACOUSTIC-ELECTRIC CHANNEL

Receiving, amplifying and analyzing of signals within the frequency range of 10 Hz – 125 kHz is provided in this channel.

Application of one or other types of acoustic transducers depends on the tasks taking into account parameters of this channel.

Ultrasonic signal is converted into audio frequency signal by means of digital heterodyning


The following features has been realized in ST131:

  • THREE MODES: “FULL RANGE”, “BAND”, “DEMODULATION”
  • THREE SUB-MODES: “SCALE”, “AUTOMATIC ANALYZING”, “MEMORY”
  • THREE OPTIONS: “OSCILLOGRAPH”, “CURSOR MEASUREMENTS”, and “DIGIT”

FULL RANGE MODE

This mode is intended in general case for visual estimation of the occupancy level of the selected channel and making decision related to transfer to:

  • Analysis of the specific frequencies using automatic signal detection option “AUTOMATIC ANALYZING”;
  • Detailed investigation of the segments of the range (mode “BAND”);
  • Audio control of signals (mode “DEMODULATION”).
  1. Low frequency of the range
  2. High frequency of the range
  3. Maximal level of the displayed signal
  4. Level and frequency of the maximal signal from the displayed signals
  5. Average noise level value

DETECT” – selection of the option of signal averaging

SCALE” – selection of the displayed dynamic range (Options of 30, 60 and 120 dB are available)

DIFF” – switching on the spectrum subtraction function

DIGITAL” – access to option DIGIT

GAIN” – setting of the input amplifier gain. This function is available in “ACOUSTIC” and “DLA” channels only. Possible values are 0, 6, 14, 20, 26, 34, 40 dB (and others) and “AUTO” (“AUTO” means switching on of automatic gain control (AGC) and is set by default).

The following context buttons are added when pushing the button “MEA”

OSC” – transfer to representation of the signal in time domain (oscilloscope mode)

DRAW” – Selection of type of spectrum display: continuous spectrum or spectrum envelope.

WINDOW” – switching on Hanning window function to improve resolution of the weak signals against the background of strong signals.


MODE “BAND”

This mode is intended for detailed analysis of the signals within selected band.

  1. Cursor lines of the edges of the analysis band
  2. Cursor line of the central frequency of the analysis band

DEMODULATION MODE

This mode is intended mainly for audio control of the demodulated signal.


SUB – MODES

“SCALE” SUB-MODE

This sub-mode is intended for representation of signal in the form of multi-segment scale with numerical values of the signal level.

SCALE is the most required option in case of location STM.

  1. Calibration of graphic scale
  2. Signal level scale
  3. Values of frequency and signal level

AUTOMATIC ANALYZING SUB-MODE

This sub-mode is intended for automatic separation of the signals, the level of which exceeds the level set by the user.

  1. The value of the marker stop frequency
  2. THRESHOLD level line
  3. Marker
  4. Signal level in marker position.

“TYPE” – – Access to setting an option of the level line.

Choice is possible between a straight line (LINE) and broken line (ENVELOP) repeating smoothed envelop of the spectrum.

“BACK” – Changing direction of MARKER move.


MEMORY SUB-MODE

This sub-mode is intended for storage of the image of the screen in nonvolatile memory of the device. Indication of the stored image is provided in the screen of the device.


OPTIONS

“OSCILLOGRAPH” OPTION

This option is intended for analyzing the signals in time domain.

  1. Value of the time segment per one point of indication
  2. Value of the tuning frequency of the main receiver
  3. Value of the time segment per whole screen of indication
  4. Maximal level of the displayed signal
  5. Root-mean-square value of the signal level.
  6. Value of the signal level from “peak-to-peak”.

TRIGGER” – activation of the synchronization level line.

TR.TYPE” – access to selection of synchronization conditions

FREQ” – activation of changing the tuning frequency of the main receiver

DETECT” – Access to selection of the detector: instant (SAMPLE), peak (PEAK) or average (AVERAGE).


“CURSOR MEASUREMENTS” OPTION

This option provides conducting of absolute and relative measurements of signals by means of the cursor lines.

  1. Value of the central frequency of the band
  2. Main cursor line
  3. Auxiliary cursor line
  4. Value of the level and the frequency of the main cursor lin

BASE” – Selection of measurement of the level of base stations.

AUTO” – Selection of successive automatic scanning of all standards.


SPECIFICATIONS:

DIGITAL SIGNAL PROCESSING MODULE
Simultaneous processing frequency range, MHz
0.01-30
Input signal maximal level, dBm
5
Displayed noise level, dBm
-100 (РС mode),
-90 (main unit ST131)
Resolution ADC, bit 14
Number of FFT points
32768 (PC mode)
512 (main unit ST 131)
Filters sizes, МHz
0.001-6.8 MHz
Demodulation types
АМ, FM, SSB, TV (АМ)
Identified data transfer standards
GSM, WLAN, BLUETOOTH, DECT, UMTS, WiMAX
Detectors
Root-mean-square,
peak,
quasi-peak
RADIO CHANNEL. UHF CONVERTER
Frequency range, MHz
30-4300
Displayed noise level
Within the whole bandwidth, dBm
Within DDC bandwidth 1 kHz, dBm
-67
-110
Input signal maximal level, dBm
5
Value of DDC bandwidth, MHz 224, 112, 54, 56, 28, 6.8, 2.5, 0.63, 0.15, 0.075, 0.04, 0.001 and 0.0005
Sweep speed, GHz/sec, at least
10
RADIO CHANNEL. SHF CONVERTER
Frequency range, GHz
4-18
Threshold sensitivity, W/cm2
2×10-10
Dynamic range, dB
45
Type of antenna
log-periodic
Antenna beamwidth, degrees
60-90
WIRE LINE CHANNEL
Frequency range 1 (CH1), MHz
0.01-30
Frequency range 2 (CH3), KHz 0.3-15
Common-mode interference attenuation factor, dB 60
Absolute maximum input level, V
250
OPTICAL CHANNEL
Spectral range, nm
770-1600 (560-1100)
Detecting frequency range, KHz
0.1-1500
Dynamic range, dB
55
ACOUSTIC CHANNEL
Frequency range, KHz
0.01-125
Dynamic range, dB
90
Input signal maximum level, V
1

DELIVERY OPTIONS:

BASIC SET
Main unit
1
UHF converter (ST131.UHF)
1
Broadband UHF antenna – ST131.UHF.A
1
Wire line adapter (ST131.AWL)
1
Leads
1
Main unit supporting block
1
Main unit shoulder holder
1
Headphones
1
Tripod
1
Power supply unit
2
AA batteries
8
Mini-disc with software
1
User manual
1

 

SUPLEMENTARY SET
SHF DETECTOR ST131.SHF
1
IR probe ST131.IR
1
Magnetic field probe ST131.MF
1