T
tyne
Guest
Kāpēc ir 3 dažādi GSM joslām: RGSM, PGSM un EGSM? Kuriem viens ir izmantot parasto GSM tālruņiem?
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S
sachit
Guest
EGSM (Exended GSM: - 35 MHz badwidth par LU un DL) ir paplašināt PGSM (Tikai GSM: - 25 MHz, UL un DL Joslas platums), kas ir galvenais, GSM paredzēto joslu. Mobile (trīsjoslu) var izmantot visas šīs joslas.
S
sinu_gowde
Guest
Hi Tyne, tie ir dažādu veidu GSM 900 diapazonā. Tie ir: [color = red] PGSM [/color]: [color = darkred] Primārais GSM [/color] -> UL = 890-915 MHz un DL = 935-960 MHz [color = red] EGSM [/color]: [color = darkred] paplašinātā GSM [/color] -> UL = 880-915 MHz un DL = 925-960 MHz [color = red] RGSM [/color]: [color = darkred] dzelzceļi GSM [/color] -> UL = 876-915 MHz un DL = 921 - 960 MHz Sīkāku informāciju par GSM joslām, izrakstīšanās šo saiti: http://wireless.agilent.com/rfcomms/refdocs/gsmgprs/gen_bse_cell_band.php # BABCEHAJ cheers ...