blockphone® cellular communication control. winkelmann uk ltd
TRANSCRIPT
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BlockPhone®
Cellular Communication Control.
Winkelmann UK Ltd
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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
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Principle of Operation• 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
BS
BSMS
MSMS
BlockPhone
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Target Applications
• Preventing acoustic disturbance caused by mobile phone ring or conversation
• Minimizing hazards of interference to sensitive equipment through handset transmission
• Enforcing policy due to security concerns
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Acoustic Market
• Theatres
• Cinemas
• Schools
• Libraries
• Concert halls
• Studios
• Meeting rooms
• Restaurants
• Religious places
• Universities
• Courts
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Safety Market
• Hospitals and medical clinics
• Airports, aircraft and vehicles
• Computer rooms
• Laboratories
• Petrol stations
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Security Market
• Police forces
• Bomb squads
• Banks
• Embassies
• Prisons
• Anti-terrorist units
• Gaming facilities
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Low Power Unit• PLL synthesized and software controlled
• Internal antenna
• Wall mounted
• Digital power control
• Typical operating radius: 12m
• Max output power: ½W/1W
• Input power: 9 Vdc
• Battery operation (optional)
• Remote control (optional)
• Directional reflector panel (optional)
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High Power Unit• PLL synthesized and software controlled
• External antenna
• Weather resistant
• Digital power control
• Typical operating radius: 80m
• Max output power: 15W/30W
• Input power: 220/110 Vdc
• Battery operation (optional)
• Remote control (optional)
• Directional antenna (optional)
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Cellular Systems Covered
Frequency Band
• 800
• 900
• 1500
• 1800
• 1900
Cellular Standard
• AMPS (analog)
• GSM
• CDMA
• TDMA
• PDC
BlockPhone can be configured to cover any combination of bands/standards
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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
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Safety Concerns
• Low power: 30 cm from humans• High power: 3 m from humans (permanent exposure)
According to the guidelines set out by the International Radiation Protection Association (IRPA), BlockPhone is safe for use under the following conditions:
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Reliability
• SMT assembly
• 12 months warranty
• Software built-in test
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Customization
• BlockPhone is a modular system that can be customized to a variety of systems
• Wide range of antennas for optimized coverage
• Location specific calibration can be applied to provide high performance
• Disguised housing (optional)