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BLOCKPHONE Cellular Communications Control

Блокираторы радиоэлектронных средств

BLOCKPHONE Cellular Communications Control

BLOCKPHONE 120Disables cellular phones by transmitting low power radio waves at the frequency range, in which mobile handsets operate.
Mobile (GSM) phones unable to initiate or receive calls or SMS messages
Digital power control
Typical operating radius BlockPhone 27 (12M) BlockPhone 120 (80M)
Remote Control (optional)
Dual band GSM version available.
Mains or Battery operation (optional)

Target Applications

There are or there will be in the next few months one billion cellular phone users worldwide. Each mobile phone has many corrupt or malevolent applications that can turn it into an eavesdropping device or interference device.

With features such as vibrating ringers, ear devices, auto answering mode, compactness and the increasing number of internal plastic components, cellular phones become undetectable and allow for a call to occur virtually undetected.

Therefore, it becomes more and more essential to implement in sensitive locations a usage policy forbidding the use of cellular phones in sensitive locations and premises.

But usage policies are in many cases not enough to limit the use of cellular phones. The only efficient way to be sure that the policy is applied, and that no one is using a mobile phone for malevolent applications, is to prevent its usage through the installation of a BlockPhone in sensitive premises.

BlockPhone system helps you to increase your security level in security and military applications, enhanced EMI/RFI protection for critical equipment or acoustic isolation.  

Principle of Operation

The general use of cellular phones creates new conditions for security and crime prevention. Cellular phones can be used in inappropriate situations and places: military bases, prisons, hospitals, gas stations, gaming facilities, conference or meeting rooms.

BlockPhone is a radio device that transmits modulated radio waves, which prevent communications between mobile phones and the cellular system.

  • BlockPhone transmits radio signals at the frequency band used for cellular base station transmission.
  • Mobile phones within coverage area are unable to decode base station signals.
  • Mobile phones switch to NO SERVICE mode

Objectives

Effects on mobile (GSM) phones:

  • Unable to initiate calls or SMS messages
  • Unable to receive calls or SMS messages
  • Unable to transmit any radio signal
  • Disconnect call upon entering covered area

 

BLOCKPHONE Cellular communications jammer

Features of the BlockPhone System

BlockPhone 27 Low Power Unit

  • PLL synthesised and software controlled
  • Internal antenna
  • Wall mounted
  • Digital power control
  • Typical operating radius: 12 Metres
  • Max output power: 500mW/1W
  • Input power: 9Vdc
  • Battery operation (optional)
  • Remote control (optional)
  • Directional reflector panel (optional)
  • Dimensions: 20 x 11 x 5cm

BlockPhone 120 High Power Unit

  • PLL synthesised and software controlled
  • External antenna
  • Weather resistant
  • Digital power control
  • Typical operating radius: 80 Metres
  • Max output power: 15W/30Watt
  • Input power: 220/110 Vdc
  • Battery operation (optional)
  • Remote control (optional)
  • Directional antenna (optional)
  • Dimensions 45 x 35 x 15cm

Cellular Systems Covered

Frequency Band Cellular Standard
800 AMPS (analogue)
900 GSM
1500 CDMA
1800 TDMA
1900 PDC

BlockPhone does not interfere with any communication system other than cellular systems within the protected area. Out of this area, all mobiles work normally.

When BlockPhone is enabled, incoming calls are sent to the subscriber voice mail system. When BlockPhone is disabled, all cellular handsets automatically get back to full functionality.

Performance Considerations

  • Effective operating range depends mainly on the signal strength received from nearby cellular base-stations
  • The closer the base station, the lower the operating range
  • The higher the power generated by BlockPhone, the longer the operating range


Safety Concerns

According to the guidelines set out by the International Radiation Protection Association (IRPA), BlockPhone is safe for use under the following conditions:

  • Low power: 30 cm from humans
  • High power: 3 Metres from humans
    (Permanent exposure)

Customisation

  • BlockPhone is a modular system that can be customised to a variety of systems
  • Wide range of antennas for optimised coverage
  • Location specific calibration can be applied to provide high performance
  • Disguised housing (optional)

BLOCKPHONE specifications

Available cellular standards GSM,E-GSM,CDMA,TDMA, IDEM, DCS, PCS, NMT, AMPS, N-AMPS, TAGS, GRPS, UMTS* (refer to us for others)

Available cellular frequencies 450, 800, 900, 1800, 1900, 2100* MHz (refer to us for others)

Adjustable power emitted per band 500mW max. BP27, 30W max .BP120

Dimensions 20 x 11 x 5cm BP27, 47 x 38 x 18cm BP120

Electricity supply 9V/0.9A. BP27, 110/220 V BP120

Average Weight 400 gr. BP27, 15Kg BP120

Antenna BP27 Internal, N Type coaxial connectors for external antennas BP120 optional long range, directional antenna

 

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