








X11 Bug and Camera Detector

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X11 Bug and Camera Detector
Odbiór w Mińsku Mazowieckim
Romualda Traugutta 19
05-300 Mińsk Mazowiecki
Poland

Discover the Spreest X11 wiretap detector, which will allow you to check if someone is spying on or following you.
The built-in signal display will immediately show you if a suspicious signal has appeared in your room, office or car.
It searches the entire 1 MHz – 12 GHz range , and two antennas – radio and magnetic – track everything: eavesdropping devices, Wi-Fi cameras, GPS locators, AirTags, Bluetooth locators , even when the transmitters are in sleep mode, in sparse data transmission mode.
As you approach the device, the 15-stage alarm flashes, buzzes, or vibrates discreetly, making it easy to pinpoint the source. The display also shows a real-time waveform, helping you distinguish a steady stream of Wi-Fi from the short bursts of cellular data emitted by trackers.
Key Features
- Ultra-wide range 1 MHz – 12 GHz: One device replaces several detectors – detects GSM / 3G / 4G eavesdropping, Wi-Fi cameras, Bluetooth Low Energy, 5.8 GHz transmitters and sub-GHz devices (LoRa, Sigfox).
- Sensitivity ≤ 0.03 mW (–73 dBm): Allows you to identify even sleeping trackers that "wake up" once every few hours to send a short data packet.
- Dual‑Mode: RF + Magnetic: You will detect the transmitter even if it is turned off – the searchlight probe reacts to micro-magnets and steel inserts in the tracker housing.
- 1-Click Automatic Calibration: The detector automatically adjusts its sensitivity to the conditions: an office with a glass facade, an underground parking lot or a truck cab.
- Real-time LCD display: See signal characteristics instantly – you can distinguish a continuous Wi-Fi stream from the short bursts of LTE-M.
- 15-step LED/Sound/Vibration Indicator: Discreet "silent" mode for boardroom control or a loud alarm for a quick vehicle search in the workshop.
- Manual sensitivity knob: allows you to fine-tune and stretch the graph (default 0.5 ms)
- Anodized aluminum housing: Shock and EMI resistant, yet lightweight.
The device can identify
- GSM/3G/4G/5G wiretapping: Cellular signaling in the 800 MHz–3 GHz band, detection up to 15 m².
- Wireless Wi-Fi cameras (2.4 GHz): Streaming up to 10 m² (10 mW camera).
- Miniature Wi-Fi cameras (5.8 GHz): Streaming up to 8 m² (5 mW camera).
- Analog cameras (1.2 GHz): Transmission up to 10 m² (10 mW transmitter).
- DECT eavesdropping: 1.9 GHz standard – detection of hidden bases up to 12 m².
- GPS locators: Various models, satellite signal – module detection up to 8 m².
- Bluetooth LE trackers (NFC, AirTag): 2.4 GHz band - tracking up to 5 m.
- Sub-GHz transmitters (LoRa, Sigfox, RFID): Range 100 MHz–1 GHz – detection up to 12 m².
- Wireless microphones: FM/AM/VHF/UHF – signal detection up to 6 m².
- Cellular modems (USB, M2M): 2G/3G/4G – interface detection up to 10 m².
- Bluetooth audio transmitters: A2DP/aptX – range up to 8 m.
- Hidden transmitters in objects (watches, pens): RF 100 MHz–6 GHz – detection up to 7 m².
- Infrared laser scanning: 0.1-5m motion detection range.
- Magnetic detector: Sensitivity up to 10 cm from the field source.
- Hopping frequency transmitters: Dynamic channel change – detection up to 10 m².
Thanks to the ultra-wide range of 1 MHz–12 GHz and two antennas (radio and magnetic), the detector will detect both active and transiently active devices – even those sending single data packets.
Device components
- Magnetic Antenna - Allows detection of magnetic fields and metal.
- Power indicator
- Power switch
- USB C port - Audio jack + USB‑C power port.
- Waveform Adjustment Knob - Manually adjust the sensitivity and stretch of the graph.
- Auto calibration button - Selects optimal sensitivity without user intervention.
- Sound Mode Switch - Turns the audible or vibration alert on/off.
- Waveform Graph Window - Real-time graphical preview of the signal.
- Signal lamp - Indicates that a signal has been detected.
- RF Antenna - Standard antenna for detecting radio waves.
Technical specifications
- Frequency range: 1 MHz – 12 GHz
- Dynamic range: > 73 dB
- Minimum detected power: ≤ 0.03 mW (–73 dBm)
- 2.4 GHz camera detection: 0 – 25 m²
- 1.2 GHz camera detection: 0 – 36 m²
- Cellular signal detection (2G/3G/4G): 0 – 25 m²
- Magnetic probe sensitivity: up to 150 mm
- Indication mode: 15 levels LED / LCD graph / sound / vibration
- Charging: USB‑C port 5V (full charging time ≈ 2 h)
- Operating current: 120 mA
- Battery life: 2 – 5 hours
- Housing material: aluminum alloy (anodized)
- Dimensions: 117 × 71 × 17.4 mm (without antenna)
- Weight: 192 g
- Operating temperature range: –10 °C – +50 °C
The set includes
- 1x X11 Bug and Camera Detector
- 1x Wired headphones
- 1x Power cable
- 1x User Manual
The Polish electronic manual is available as a downloadable attachment. You can find it above or below our product description.











