Wolfhound Pro Mobile Phone Detector

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Wolfhound™-PRO’s award-winning*, high speed scanning receiver utilises a multi-band DF (Direction Finding) antenna system allowing security personnel to locate nearby mobile phones in either standby mode* or during active voice, text or data RF transmissions making it the perfect TSCM tool for enforcing your NO WIRELESS security policy.

Wolfhound-Pro’s passive receiver technology does NOT intercept or “listen-in” on any phones calls making it fully legal. Wolfhound-PRO’s simple trackball/pushbutton operation and ultra-bright OLED screen make it easy to use for both trained and untrained security personnel.

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Product Description

Wolfhound-PRO Mobile Phone Detector is a precision, handheld, wireless sniffer specifically tuned to the RF signature of common mobile phones (both U.S. & international bands) including LTE, AWS, PCS, CDMA / WCDMA (UMTS), GSM, EGSM Cellular bands as well as GPS trackers and even U.S. DECT 6.0 cordless phones that cause interference with European cellular carriers.

Wolfhound-PRO’s simple trackball/pushbutton operation and ultra-bright OLED screen make it easy to use for both trained and untrained security personnel.

In addition, Wolfhound-PRO™ identifies each mobile phone by frequency (not phone number or IMEI) allowing for detection and listing of multiple mobile phones. This can prove useful in situations involving a variety of mobile phone use such as large prisons and even disaster zones involving search and rescue operations. This also means that Wolfhound-PRO is legal and the preferred tool of choice for law enforcement looking to avoid time consuming court orders required by the use of some more complex and illegal phone interception devices. Wolfhound-PRO has up to 150 foot radius for mobile phone detection (indoors) and up to 1 mile outdoors (line-of-sight) making it the most sensitive mobile phone detector on the market. Wolfhound-PRO™ is designed and manufactured in the U.S.A.


  • Receiver design boasts a dynamic range of -60 dB with user settable sensitivity
  • Detects mobile phones up to 150 feet away (indoors) and up to 1 mile away (line-of-sight outdoors)
  • Identifies each phone by frequency allowing for multiple, simultaneous mobile phone detection
  • User selectable from -83 dBm to –53 dBm with a resolution of 2 dB for detection in a noisy environment (typical of prisons)
  • Selectivity rejection of at least 50 dB at 1 MHz from the uplink frequency bands provides high immunity from false triggering caused by base stations, personal communication devices and other sources of interference
  • Software (optional) logging capability allows the user to record and time-stamp every detected cell phone transmission via built-in USB port.
  • User selectable mobile frequency bands allow the same unit to be used around the world; both USA and European mobile uplink bands are supported
  • Detects U.S. DECT 6.0 cordless phone standard
  • Integrated laser-assisted directional antenna (green 532 nanometer laser, 50 feet mimimum span)
  • Internal Li-ION battery runtime of 4+ hours
  • Weighs less than 2 lbs. (30 oz.) fully loaded or just over 1 lb. (18 oz.) using omni-directional antenna

*Standby mode (autonomous registration) varies from base station to base station with phones typically registering between once every few minutes to up to 20 minutes. This time varies greatly based upon carriers, distance from base stations and individual handset manufacturers’ standards.

Technical Specification

North American Support

LTE Uplink 698-716 MHz
LTE Uplink 777-787 MHz
LTE Uplink 788-798 MHz
CDMA 824-849 MHz
GSM 896-901 MHz
AWS Uplink 1710-1755 MHz
XLTE 1700-2100 MHz
PCS 1850-1910 MHz
U.S. DECT 6.0 1.9 GHz
GPS Tracking Devices (GSM 850/900/1800/1900 MHz)

(International Bands Supported)

EU / Australia / New Zealand / Israel / Canada / Sweden / Brazil / Japan

  • EUDD 832-862 MHz
  • EGSM 880-915 MHz
  • DCS 1710-1785 MHz
  • IMT 1920-1980 MHz
  • IMT-E 2500-2570 MHz

Check with our sales team to include your country’s band selection including a custom set of bands

Radius of Coverage Area150 feet (~50 meters) under typical conditions
Sensitivity Range60 dB
Sensitivity-80 dBm (user settable)
Selectivity Rejection>50 dB @ 1 MHz uplinkband edges
Detector Resolution2 dB
Bandwidth Resolution4 MHz
Receiving ModesHigh-speed scanning of uplink cellphone and DECT 6.0 bands
Receiving Antennas SupportedDirection finding (field swappable, multiband panel antenna with SMA connector)Omni directional (quarter-wave multiband, monopole with SMA connector)
RFSMA jack for external antenna
USBMini-USB jack for data logging (optional PC software)
AudioAudio jack for earbud
DC LaserDC jack for supplying DC to integral green laser module
Visual AlertsOLED screen
Tactile InputsCompact pushbutton trackball
Audio AlertsUser adjustable audio alert signal
Weightunder 2lbs. (30 oz.) fully loaded or just over 1 lb. (18 oz.) using omni-directional antenna
Dimensions7″ L x 4″ W x 3″ D
Power12V DC (supplied DC transformer)
Integral Attenuator0 to 30 dB, user-selectable via soft menu
Sensitivity Range-80 to -50 dBm, user-selectable via soft menu
Data LoggingSoftware (optional) logging capability allows the user to record and time-stamp every detected cell phone transmission
Frequency BandsField-selectable via soft menu for versatile deployment around the globe over three different sets of frequency bands (US, International cell phone uplink bands and DECT 6.0 band)
Frequency IdentificationDetects and displays cell phone up-link signal with a resolution of ±2 MHz
Laser-Assisted DF AntennaIntegral (green) Laser-mounted antenna assembly facilitates precise aiming of hand-held DF antenna to potential sources from at least 50 feet
Internal Battery RuntimeInternal Li-Ion Polymer battery provides minimum run time of over 4 hours
AntennaDirection finding & omni directional antennas
Hard Travel CaseBlack ABS plastic case
ChargerLithium polymer battery charger
PC SoftwareData logging software via Wolfhound-PRO’s USB port


Does the Wolfhound-PRO Mobile Phone Detector identify callers or their phone numbers?

No. Wolfhound-PRO Mobile Phone Detector is a precision RF cellular scanning device that identifies mobile phone activity (both standby mode and active modes) and assists in locating them. It is a wireless tool used by security officers and personnel that require a NO WIRELESS security policy.

Can Wolfhound-PRO detect more than one mobile phone at a time?

Yes. Wolfhound-PRO can identify the strongest mobile phone and eliminate that from the search by either RSSI or frequency. This allows many mobile phones to be detected at once.

How far away can I detect mobile phones?

Typical range is about 150 feet but this varies depending upon the environment.

Does Wolfhound-PRO Mobile Phone Detector detect phones that are powered off?

No. A phone that is turned off cannot be detected.

Can Wolfhound-PRO detect text messaging as well as voice calls?

Yes; as long as the RF transmissions are made over the prescribed frequency band(s) the Wolfhound-PRO receiver will detect them. However, since text transmissions tend to be short and intermittent (as opposed to voice or conversation which is more continuous), the user would have to pay un-divided attention to the Wolfhound-PRO LCD output to observe text messaging in real-time.

Can Wolfhound-PRO detect other RF activity?

Yes, Wolfhound-PRO will also detect GPS trackers and U.S. DECT 6.0 cordless phones.

Can Wolfhound-PRO only detect mobile phones or can it locate them as well ? If so, how?

Wolfhound-PRO can both detect and locate mobile phones. After detection, the mobile phones may be located by determining the initial direction of maximum signal and then approaching the mobile phone in slow steps, along the initial direction of maximum signal (or, a Line of Position) and continually updating one’s direction for maximum detected signal.

Can Wolfhound-PRO stimulate a mobile phone to transmit RF signals?

No, Wolfhound-PRO only detects RF signals; to stimulate a mobile phone it would have to transmit RF signals, which would violate FCC regulations and guidelines.

Can Wolfhound-PRO track phone numbers or IMEI codes?

No, Wolfhound-PRO only detects RF signals.

Can Wolfhound-PRO units be networked together?

Currently, the Wolfhound is available as a stand-alone, handheld unit only.

How is the Wolfhound-PRO different from the Wolfhound and other BVS mobile phone detectors?

The Wolfhound-PRO is Berkeley’s most sophisticated and sensitive mobile phone detector to date. Please consult with our sales team to find the best product to fit your wireless security needs.

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