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DC Field | Value | Language |
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dc.contributor.author | Madara Diana Starovoytova | - |
dc.contributor.author | Ataro Edwin | - |
dc.contributor.author | Simiyu Sitati | - |
dc.date.accessioned | 2018-10-30T12:28:56Z | - |
dc.date.available | 2018-10-30T12:28:56Z | - |
dc.date.issued | 2016-07-31 | - |
dc.identifier.uri | https://www.researchgate.net/publication/305730682 | - |
dc.identifier.uri | http://ir.mu.ac.ke:8080/xmlui/handle/123456789/2116 | - |
dc.description.abstract | Dissimilar cellular-systems process signals differently, and yet, all cell-phone-networks use radio-signals that can be interrupted or, even, blocked, completely. This project highlights the design of a simple, low-cost mobile-phone- jammer and aims to present a solution for the problem of inappropriate-use of the cell-phones in restricted and prohibited-areas. The main concept of jamming is the releasing of signal (noise) of the same-frequency which is using by mobile-service-provider to overpower and destruct the user-signal. The fabrication of the jammer involved uncomplicated discrete components, resistors, capacitors, inductors and transistors to generate the required frequency (noise) and then amplifies the frequency generated to range of 800 MHZ to 1.4 GHZ in order to match the frequency of the mobile-phone being transmitted by the base-station. Relatively-satisfactory jamming of a mobile-signal was confirmed by the blocking of the signals of the mobile-phones in 2G and 3Gnetworks (UMTS / WCDMA) operated via Safaricom, Airtell, Orange, and YU service-providers, when the phone indicated “no network”, thereby allowing no call to go through, with no-interference to other communication-means observed. Overall recommendation is that further and more deeper-research is needed to produce more-sophisticated and better jamming devices, as not to affect the other base-station-transmission systems. Keywords: mobile, phone, jammer, design, signal. | en_US |
dc.language.iso | en | en_US |
dc.publisher | nnovative Systems Design and Engineering | en_US |
dc.subject | Mobile | en_US |
dc.subject | Phone | en_US |
dc.subject | Jammer | en_US |
dc.subject | Design | en_US |
dc.title | Design and Testing of a Mobile-Phone-Jamme | en_US |
dc.type | Article | en_US |
Appears in Collections: | School of Engineering |
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