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A '''mobile phone jammer ''' or '''blocker''' is a device which broadcasts radio signals that can effectively prevent [[mobile phone|cellular phones]] from receiving signals from [[base station]]s and transmitting them. When used, the jammer effectively disables cellular phones. These devices can be used in practically any location, but are found primarily in places where a phone call would be particularly disruptive because silence is expected, such as entertainment venues.
A '''mobile phone jammer ''' or '''blocker''' is a device which deliberately transmit signals designed to interfere with licensed services operated by mobile carriers, and can effectively prevent [[mobile phone|cellular phones]] from receiving signals from [[base station]]s and transmitting them. When used, the jammer effectively disables cellular phones. These devices can be used in practically any location, but are found primarily in places where a phone call would be particularly disruptive because silence is expected, such as entertainment venues.


The use of such blocking devices is illegal in some jurisdictions, especially without a licence.
The use of such blocking devices is illegal in some jurisdictions, especially without a licence. When operational, such devices also block access to emergency services.


==Legality==
==Legality==

Revision as of 05:17, 24 November 2017

A mobile phone jammer or blocker is a device which deliberately transmit signals designed to interfere with licensed services operated by mobile carriers, and can effectively prevent cellular phones from receiving signals from base stations and transmitting them. When used, the jammer effectively disables cellular phones. These devices can be used in practically any location, but are found primarily in places where a phone call would be particularly disruptive because silence is expected, such as entertainment venues.

The use of such blocking devices is illegal in some jurisdictions, especially without a licence. When operational, such devices also block access to emergency services.

Legality

Since these jammers actively broadcast radio signals, they may or may not be legal to possess or operate based on the specific laws of the area one is in.

  • Australia: Illegal to operate, supply or possess[1] unless the user has a PMTS C telecommunications licence under the Radiocommunications (Interpretation) Determination 2000[2]
  • Brazil: Illegal, but installation in jails has been proposed.[3]
  • Canada: Illegal, except by federal law-enforcement agencies who have obtained approval[4]
  • EU: Illegal, according to the European Commission's "Interpretation of the Directive 1999/5/EC".[5]
  • India: Illegal by law except for security and military agencies, and usage in jail, theatres, mosques, schools etc. with prior permit and jamming strictly limited to the firm perimeter with zero leakage [citation needed]
  • New Zealand: Illegal to sell, manufacture or use.[6] Legal inside jails by Department of Corrections.[7]
  • Pakistan: Illegal to use without permission. The individuals or institutions must get No Objection Certificates (NOCs) before installation of such devices.[8]
  • Singapore: Illegal to manufacture, import, use or sell radio jamming equipment other than by or for supply to a permitted person.[9]
  • South Africa: Illegal. No organisation is allowed to jam cellular signals, and any device which is used to jam signals is illegal.[10]
  • Sweden: Illegal. Legal inside jails and for military use.[11]
  • Ukraine: Legal, planned to be used in schools[12]
  • Italy: Illegal both to own[13] and use,[14] according to the Penal Code offenders are punished with imprisonment up to 4 years. Can be used under strict authorization in exceptional cases by Italian law enforcement agencies, such as Polizia Di Stato and Carabinieri.
  • United Kingdom: Illegal to use, but legal to own. Having been proposed by prison inspectors,[15] installation and use in jails has been legal since the end of 2012[16]
  • Iran: Illegal to use without permissions.
  • Israel: Illegal. However, is a major supplier of jammers.
  • United States: Cell phone blocking devices are used by federal officials under certain circumstances.[17] Privacy rights of property owners may affect the policy and application of law within buildings[citation needed]. For radio communications, it is illegal to operate, manufacture, import, or offer for sale, including advertising (Communications Act of 1934).[18] Blocking radio communications in public can carry fines of up to $112,000 and/or imprisonment of up to one year.[19] The Homeland Security Act of 2002 may override the Communications Act of 1934.[20]

See also

References

  1. ^ Illegal mobile phone and GPS jammer crackdown by regulator yields results
  2. ^ "NRadiocommunications (Prohibition of PMTS Jamming Devices) Declaration 2011". legislation.gov.au. Retrieved 28 February 2017.
  3. ^ Rogerio Waldrigues Galindo. "Bloqueador de celular licitado pela Assembleia é de uso ilegal". Gazeta do Povo. Retrieved 8 March 2015.
  4. ^ Radiocommunication Act of Canada Archived October 16, 2016, at the Wayback Machine
  5. ^ "European Commission, Enterprise and Industry, Interpretation of the Directive 1999/5/EC". Retrieved 20 October 2014.
  6. ^ "Spectrum policy". rsm.govt.nz. Retrieved 8 March 2015.
  7. ^ "Mobiles jammed in prisons". One News. August 21, 2007. Retrieved October 25, 2011.
  8. ^ Administrator. "Illegal Mobile Jammers to be Removed". www.pta.gov.pk. Retrieved 2015-08-09.
  9. ^ "Spectrum policy". rsm.govt.nz. Retrieved 8 March 2015.
  10. ^ "This is who may jam cellular signals in South Africa". mybroadband.co.za. Retrieved 8 March 2015.
  11. ^ "Förbud mot störsändare". pts.se. Retrieved 8 March 2015.
  12. ^ Мобилки на тестах заставят замолчать[permanent dead link]
  13. ^ "Italian Penal Code, art. 617 bis". Retrieved 26 November 2016.
  14. ^ "Italian Penal Code, art. 617". Retrieved 26 November 2016.
  15. ^ "BBC News - Jam mobile phone signals in prisons, says inspector". bbc.co.uk. Retrieved 8 March 2015.
  16. ^ "Prisons (Interference with Wireless Telegraphy) Act 2012". parliament.uk. Retrieved 8 March 2015.
  17. ^ The Boeing Company (11 June 2010). "Technical Approaches to Preventing Contraband Cell Phone Use in Prisons;Docket No. 100504212-0212-01". National Telecommunications and Information Administration. p. 7. Retrieved 16 November 2014. Federal law enforcement entities are exempted and permitted to use wireless jamming technologies in critical situations to protect law enforcement personnel and the general public when apprehending suspects
  18. ^ "Reports" (PDF). fcc.gov. Retrieved 8 March 2015.
  19. ^ FCC: Wireless Services: Cellular Services: Operations: Blocking & Jamming Archived November 18, 2016, at the Wayback Machine
  20. ^ Marguerite Reardon (6 December 2006). "Company challenges FCC rules on cell phone-jamming gear". CNET News. CBS Interactive Inc.
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