<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Passage: GPRS is best-effort service, zvichireva kuyerwa uye latency zvinoenderana nehuwandu hwevamwe vashandisi vanogovana sevhisi panguva imwe chete, zvinopesana nekutenderera switch, uko imwe mhando yebasa QoS inovimbiswa panguva yekubatana. Mumagadziriro e2G, GPRS inopa mwero wedata we56114 kbit sec. 2G cellular technology yakabatanidzwa neGPRS dzimwe nguva inonzi 2.5G, kureva kuti, tekinoroji iri pakati pechipiri 2G nechetatu 3G zvizvarwa zvemafoni. Inopa kufambiswa kwedata kwakapfava, kupfurikidza nokushandisa nzira dzisina kushandiswa dzekupinda dzakawanda dzenguva TDMA mu, somuenzaniso, gadziriro yeGSM. GPRS yakabatanidzwa muGSM Release 97 uye zvinyorwa zvitsva. Mubvunzo: Ndechipi chiri chinyorwa chokutanga cheGSM icho GPRS yakabatanidzwa mukati?  <response>: 9 7 