



In today's technological era, cellular devices have grown
to become small computers with sophisticated capabilities.
In order to enforce law within the prison walls, inmates
access to cell phones must be denied, while the smuggled
phones must be jammed.
Successfully smuggled by inmates and unjammed
cellphones may provide the criminals serving time,
with the capacity to continue their criminal activity
such as coordinating and managing acts of crime from within the penitentiary.
S.D.T Security Ltd, develops and manufactures cell phone jamming equipment for use in correctional facilities worldwide. SDT provides its customers with an engineering survey service in order to tailor the optimal jamming solution in each case. Our surveying engineer will visit and map the facility to be serviced with specialized equipment, suggesting optimum cost saving solution for the customer.
In addition to jammer stations, a monitoring console will be installed in a control room, in order to monitor the status and control the activity of each of the individual station separately.
From the controlling console, stations can also be turned OFF and ON individually, as is required by prisons guards, effectively enabling or denying cellular traffic within selected facility zones.
Feel free to contact us for any question or information that may be necessary.
Technical Specification
Key features:
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Covers all cellular bands simultaneously.
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Indoor/ outdoor installation.
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Operation on worldwide power 110 -240 VAC.
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4 wire communications.
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Power 15-100 watts.
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Individual continuous remote power control from main console on each channel within each station for optimum jamming coverage.
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The user can insert topographic maps and zone maps to the computer.
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Each jamming station has its own controller fort communication with the console.
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The jammer antennas are supplied according to field demand – Omni / Directional.
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Protections: Over temperature, SWR (Antenna health monitoring).
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Console Software is user friendly and easy to operate.
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Jamming stations and the console have modular construction for quick and easy maintenance.
Prison Jammers
ELLULAR BAND COVERAGE - GSM, CDMA, AMPS, WCDMA, DCS, PCS, UMTS, 3G, LTE, 4G, Wi
FREQUENCY BAND - 700-5900MHz
OUTPUT POWER PER BAND- 15-100 W
TOTAL FREQUENCY BANDS- Up to 15 band channels
JAMMING TECHNIQUE - Analog Linear Sweep for homogenous band coverage
MODULATION- Linear FM
Signal Source - Quartz stabilized PLL Synthesizer
ANTENNAS - External directional antenna / 10-22 dbi Gain
MODULES PER UNIT - UP TO 4 BAND
PROTECTION - VSWR protection, Overheat protection: 75°c cut-off operation - 71°c resume of operation
CURRENT CONSUMPTION - 100 – 240 V Internal Power Supply
S.D.T (Spectrum Defense Technology) Security Ltd Tel: +972-9-9562002, Mobil: +972-54-5885120
E-mail: elisabag@zahav.net.il