'Gsm 900' diaporamas de présentation

An introduction to M obile C ommunications S ystems (MCS)

737 views • 73 slides

Figure 3-1 Block Diagram of SI4205

3. Technical brief 3.1 Transceiver (SI4205-BM, U401) The RF parts consist of a transmitter part, a receiver part, a frequency synthesizer part, a voltage supply part, and a VCTCXO part.

822 views • 59 slides

EDL Cloning for $250

Chris Paget ivegotta@tombom.co.uk ShmooCon 2009. EDL Cloning for $250. <meta>. Hack the con! Press Coverage / Demos Beer. Break It!. What is WHTI?. Western Hemisphere Travel Initiative People Access Security Service (PASS) Electronic Drivers License (EDL) NEXUS FAST SENTRI

617 views • 49 slides

Current State of Knowledge about Electromagnetic Fields, Mobile Telephony and Health

Current State of Knowledge about Electromagnetic Fields, Mobile Telephony and Health. b.veyret@piom.u-bordeaux.fr. Frequency Spectrum. 1 fm. 1 GHz. Scientific approaches. epidemiology. humans. animals. cells. Biological models Dosimetry. Foundations. Health effect. Biological

546 views • 44 slides

Interim solution to CDMA introduction

Interim solution to CDMA introduction. Rohan Samarajiva, Public Interest Program Unit, MERST. Objectives. Ensure that the telecom needs of rural Sri Lanka are met 380,000 waiters registered with SLTL, mostly outside Colombo Backbone is limited and makes rural connectivity very expensive

312 views • 17 slides

EMF ASSESSMENT BY MESEAREMENTS AND CALCULATION (IVORIAN CASE)

254 views • 15 slides

EMF ASSESSMENT BY MEASUREMENT (IVORIAN CASE )

EMF ASSESSMENT BY MEASUREMENT (IVORIAN CASE ). GUY-MICHEL KOUAKOU Head of standardization service VICE-CHAIR OF STUDY GROUP 5. PLAN. National Context. EMF assessment. Flowchart for measurement. Measuring equipment. Post-processing analysis. Some statistics. Conclusion.

225 views • 13 slides