Delta X 100-4 Counter Surveillance Sweeping System

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Identify and remove hidden electronic bugging devices using our Delta X Counter Surveillance Sweeping System. The DX100-4 uses a spectrum analysis software, various handheld RF probes, and broadband RF antennas to assess your environment.

Maybe you have concerns about corporate espionage, theft of trade secrets, or are certain your home or professional environment have been bugged. If any of those situation occur, deploy the DX100-4 for a reliable countermeasure.

Advanced Signal Detection

Detect cameras, microphones or any device transmitting GPS, 3G, 4G/LTE, WiFi, Bluetooth. Analyze signals with or without encryption, from digital or analog systems, that transmit continuously or intermittently, nothing stays hidden when the Delta X 100-12 Counter Surveillance sweeping system is deployed.


Delta X Advantages

✔ Detect analog and digital wireless devices

✔ Detect and distinguish between both audio and video transmissions

✔ Distinguishes between dangerous and non-threatening transmissions

✔ All spectrum ranges and alarms are logged during detection

✔ Wide range detection (40 kHz - 4.4 GHz)

✔ Reject external interferences from neighboring mobile phones and WiFi

✔ Advanced signal recognition method partitions known and dangerous signals for efficient re-sweeping.


  • Update rate 100 MHz per second

  • Frequency range 100 kHz – 12400 MHz

  • Signal detection time: 60-120 seconds

  • Short burst signal detection

  • Powered from the laptop’s USB

  • Can monitor the RF environment 24 hours a day with data logging

  • Can detect and locate the transmitters simultaneously

  • Finds hidden surveillance devices employing the digital standards GSM, 3G, 4G/LTE, Bluetooth, WiFi, DECT, etc.

  • Detects illegal information transmission in AC, telephone,

  • Has 20-50 times higher sensitivity comparing to conventional RF detectors

  • Ethernet, alarm and other wires as well as in the infrared range

  • Supports storage of an unlimited quantity of signals.

  • Full information is stored in the log and can be reviewed at any time.

  • Multiple logs are supported

  • Demodulation of audio in FM, AM, USB, LSB, CW (adjustable BW 3…240 kHz)


  • Update rate: 100 MHz/sec

  • Frequency range: 100 kHz - 12400 MHz

  • Time of detection (Minimal time of signal’s existence needed for its detection): 60-120 seconds

  • Spectrum resolution: 15 kHz

  • Occupied disk space per 24 hours: 1 Gb

  • Temperature Range: 0°C to +50°C

  • Demands on computer: Intel® Atom™ N2600 or Intel® Core™ i3; 2 USB 2.0; Windows 7, 8, 10

  • Displayed dynamic range: -90…-10 dBm

  • Displayed spectrum spans: 0.5, 1, 2, 5, 10, 25, 50, 100, 200, 500, 1000, 2000, 3000, 6000 MHz

  • Spectrum graphs: Spectrogram, Waterfall

  • Spectrogram’s displayed data: Persistence, Live, Max, Threshold

  • Detector’s modes: Wide-Range, Signal, Selection

  • Fields of ‘Signals’ table: Frequency, Bandwidth, Name, dbm Level, dbm Peak Level, Danger Level, Peak Danger Level

  • Fields of ‘Bands’ table:Begin, End, Name, Type, Threshold, Priority, Tracker detection

  • Fields of ‘Known Signals’ table: Frequency, BW, Name, Modulation


  • Main unit with the built-in spectrum analyzer, antenna switcher and LF converter

  • Software Delta X on the USB flash memory

  • ODA-4 - omnidirectional antenna

  • Coaxial extension cable 5 m

  • MWA-6 - microwave antenna

  • MWA-12 - microwave antenna

  • High voltage probe

  • Low voltage probe with alligator connectors

  • In-line modular adapter

  • Infrared/very-low frequency probe

  • Tripod convertible to handle

  • (Laptop/PC NOT included)
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Upgraded shipping options available.

We are not a try and return company. We take great pride in what we sell and promise that your product will work or we will replace it. A lot of people will buy a product, use it for a short while then return it. We are not a rental company. You will incur shipping charges and restocking fees of up to 25%. If you have any doubts as to whether a product is suitable for your situation PLEASE call us and discuss first.  

We stand behind what we sell 100%. You are guaranteed complete satisfaction. If it's not right, we'll make it right. Should you ever have a problem with anything you purchase from Spygadgets rest assured that you are covered.

Please read the following information so there is no question what will happen in the event you need to return a product.

We understand that sometimes an Item is not suited for the purpose you intend it for. We expect you to get a good quality item to suit your needs. We do not expect to have items returned that have been used, mis-handled, abused or broken. This is unacceptable. return policy.
Most items can be returned within 15 days of receiving them, we believe that 15 days in your possession, is enough time to determine if any item will be suitable for your needs. (The receiving date is when it was delivered to you.) If you are unsure as to what item may work for your situation please call or email us, before ordering. 

Non-Defective return items must be in perfect condition. 
We understand that you will open the box and test the device. 
Any non-defective returned items, that have obviously been used for its purpose, mistreated or broken and returned are subject to a 25% fee or returned to you at our discretion.
In the unlikely event that you receive a defective item alternate instructions will be provided when you request an RMA,

RMA (Return Merchandise Authorization)
ALL items must have an RMA number. You need to obtain an RMA number from us before sending any item back for any reason.

When you are issued an RMA you will be provided with a return address and instructions on how to pack , ship and identify the package to us. If an item cannot be identified it may be refused and will be returned to the sender. All items are your responsibility until they have been accepted at our facility.

Restocking Fees

Non-defective items returned to us are subject to a 15% restocking fee. This fee can be as high as 25% if an item is returned with missing or broken parts.

Shipping Charges. No shipping monies will be refunded. 
You will be responsible for all shipping costs, to get the item back to us. These costs may include insurance, import fees, customs fees, taxes or broker fees,

Some Items can not be returned for any reason 
GPS:No GPS tracker can be returned for any reason. A defective device will be replaced with the same or equal item. No refund no credits.
Counter Surveillance Devices: 
Counter Surveillance devices including Bug detectors, countermeasures kits, phone line analyzers or any device used to locate a surveillance device. Defective items will be replaced No refunds No credits,
Software or Software Devices:
No returns for software of any kind are accepted.

Refund or Credit:

As long as you meet the criteria included in this policy, we will apply a refund through our processor to your original form of payment. We may also offer a store credit if the original form of payment is unavailable.

Last updated 5-3-2019   Exceptions to this policy may be made in extreme cases. Such exceptions are at our discretion and will be made on a per case basis. By placing an order, you agree to our Return policy
If you do not agree with this policy your only recourse is to not use the site.

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