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Direction Finder 2G/3G/4G with Android application
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Portable Direct Finder
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Main characteristics
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Android controlled direction finder (DF) with Android App is a pocket size quad-band device aimed to precisely detect the physical location of target cellular phone captured by IMSI and IMEI catcher, covertly operating at known uplink ARFCN channel. It is designed to support max 4 GSM, UMTS, CDMA or LTE frequency bands.
The unit features 3 different types of target approaching alarms and can be covertly placed inside a pocked or small size carry bag. As soon as the unit is a passive device, it cannot be detected by RF surveillance means.
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The DF provides the user with multiple functions:
• Detection of the input signal frequency within a range from 100 kHz to 8 GHz.
• Power measuring of the input signal within level range from -50dBm to +30dBm
• Log and store of results using built-in memory
• Integration into automated systems of radio monitoring via a serial interface
• Acoustic feedback mode on the run of the search work
• Lightweight and adapted for pocket use
• Three types of target cellular phone status
• Covert operation, not detectable by RF scanners
• Operates across four GSM, UMTS, and LTE bands
• Can be used along all known types of IMSI and IMEI catchers
• Extended operation time using high capacity internal battery
• Averaging mode allowing to increase the detection accuracy
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Principle of Operation
DF with Android App handheld finder is a compact and cost effective radio direction-finding device for target mobile handsets location tracking when used in combination with GSM or UMTS catcher system. This equipment can be used along with any known type of GSM or UMTS IMSI and IMEI catcher system when a captured mobile terminal transmits signal over known ARFCN channel. Highly sensitive receiver module allows extending the search radius to 50-250 meters, combined with target phone detection accuracy of up to 1 meter. Receive panel antenna is sized 140x140x15 mm. It can be placed covertly either under a suit or inside a small hand bag or briefcase along with the GSM receiver. It is assembled in a waterproof plastic case. Android Smartphone is managing DF GSM (UMTS) receiver over Bluetooth interface. It provides two types of feedback for the user: through a headset or using built in telephone speaker.
DF is a device that have to be used with IMSI catchers or Active interception systems
| File Title | Release Date | File Type | Size (mb) | Action |
|---|---|---|---|---|
| Android controlled direction finder (DF) | 07-20-2019 | Documentation (pdf) | 2.11 MB |  download |
To access this product file, get partner STE status
| File Title | Release Date | File Type | Size (mb) | Action |
|---|---|---|---|---|
| Android controlled direction finder (DF) | 07-20-2019 | Documentation (pdf) | 2.11 MB | download |
To access this product file, get partner STE status
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 Additional Product Information |
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 working with UMTS (3G) |
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E-mail: info@catchers.fi |
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