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Recent content by tyne

  1. T

    How are SMS and MMS transmitted?

    SMS & MMS How is SMS & MMS transmitted? Is it using GPRS, EDGE or some other technology? How about video call? cheers
  2. T

    Larger antenna size means better reception?

    Antenna size Is it true that the larger the size of the antenna, the better reception it will have? If its true, based on what principles and formula demostrates that? Thanks :?:
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    GSM, EDGE, WCDMA, GPRS, HSDPA

    hsdpa wcdma difference So GPRS has already been replaced by EDGE on most phones today? How about sms, MMS, internet access? All these are possible through GPRS, EDGE? Thanks
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    How to do FM radio testing for SINAD, THD, RDS ?

    FM radio testing. Any suggestions on how to test for the following? a. SINAD b. THD c. RDS (Radio Data System) What equipments to use?
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    GSM, EDGE, WCDMA, GPRS, HSDPA

    wcdma and hsdpa Why is it that phone still support GSM/DCS/PCS when it has edge? Which one is use for making phone call? Do we use actually use GPRS and edge for making voice call? or still the traditional GSM 850/900/1800/1900? Thanks
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    GSM, EDGE, WCDMA, GPRS, HSDPA

    gprs wcdma hsdpa What are the main differences betwenn GSM, EDGE, GPRS, WCDMA and HSDPA? Looks like Edge exists in GSM while HSDPA exists with WCDMA. What about GPRS?
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    FM radio testing in manufacturing enviroment

    FM radio testing. Any suggestions on testing out FM radio in a manufacturing enviroment? Thanks
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    Why are there 3 different GSM bands: RGSM, PGSM and EGSM?

    Why are there 3 different GSM bands: RGSM, PGSM and EGSM? Which one is use for a normal GSM phones?
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    GSM & WCDMA Power Level Phasing, LNA Phasing

    wcdma power level Hi Can anyone know where can I find more information for GSM and WCDMA for 1. Power Level Phasing, 2. LNA Phasing 3. Channel Phasing Thanks & appreciated.
  10. T

    Antenna test for phones using power meter

    This will be a radiated test. The phone will transmitt at PCL level 5. How about using a coupler to pick up signal from the phone and then the signal will go through a RF to DC voltage convertor..and a DVM will be use to read. Which will be a better method? Using a RF to DC voltage converter...
  11. T

    Antenna test for phones using power meter

    Can anyone advice me on whether it is appropriate to use power meter to test for GSM phone antenna. The test is to ensure that the antenna is connected/soldered properly onto the pcb. It can be on any GSM band. It is feasibility to do it? Thanks!!!
  12. T

    Power meter to test for GSM phone antenna

    Can anyone advice me on whether it is appropriate to use power meter to test for GSM phone antenna. The test is to ensure that the antenna is connected/soldered properly onto the pcb. It can be on any GSM band. It is feasibility to do it? Thanks!!!
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