Ka weheweheʻana o GSM (Global System for Mobile Communications)
ʻO GSM (inoa gee-ess-em ) keʻano laulā maʻamau o ka pūnaewele , a ua hoʻohanaʻia ma ka honua, no laila ua lohe pahaʻoe e pili ana i ka helu GSM a me nā pūnaewele GSM, keʻole i ka hoʻohālikeʻana i ka CDMA .
Kūkuluʻo GSM i ka hui Group Spécial Mobile akā i kēia manawa,ʻo ia keʻano o ka Global System for Mobile communications.
Wahi a ka GSM Association (GSMA),ʻo ia ka mea e pili ana i nā pono o kaʻoihana loea pūnaewele puni honua, ua pili ka 80% o ke ao nei i ka hoʻohanaʻana i kaʻenehana GSM i ka wā e kau ai nāʻike kelepona.
ʻO waiʻo GSM?
Eia ka hoʻokae wikiwikiʻana o nā mea lawe mea loea wale a me ka hoʻohanaʻana iā GSM a CDMA paha:
GSM:
- T-Mobile
- ʻOi & T
- Kelepona Kūlanaʻo Indigo
- Pine Cellular
- ʻO TerreStar
Loaʻa i ka UnlockedShop kahi papa inoa piha o nā pūnaewele GSM ma ka US.
CDMA:
- Kū'ē
- Verizon Wireless
- ʻO Virgin Mobile
GSM a me CDMA
No nā hana hana a me nā lā a pau, hāʻawi ka GSM i nā 'ikepili holoʻokoʻa holoʻokoʻa honua ma mua o nāʻenehanaʻenehana pūnaeweleʻo Hawaiʻi a hiki ke'āpono i ke kelepona i "leka uila." He aha nā mea'ē aʻe,ʻo nā mea e like me ka maʻalahi o ke keleponaʻana o nā leka a me ka hoʻohanaʻana i kaʻikepili. GSM pūnaewele akāʻaʻole CDMA.
Lawe nā mea halihali GSM i nāʻaelike me nā mea kūʻai GSM aʻoi aku ka nui o nā wahi o ke kaiāulu ma mua o nā mea kūʻai CDMA, a pinepineʻole me nā uku huakaʻi .
Loaʻa iā GSM ka pōmaikaʻi o nā kāki SIM maʻalahi. Hoʻohana nā GPS GSM i ka SIM card e mālama i kāu mau mea (ka mea kākau inoa) e like me kāu helu kelepona a me nāʻike'ē aʻe e hōʻoia ana heʻoiaʻiʻoʻoe i ka mea kākau i kēlā mea lawe.
ʻO kēia ka hiki iāʻoe ke waiho i ke kāleka SIM i kekahi kelepona GSM e hoʻomau i ka hoʻohanaʻana i kaʻikepili me kāu mauʻike o kāu palapala'ē aʻe (e like me kāu helu) no ke keleponaʻana i nā kelepona, nā'ōlelo, a pēlā aku.
Me nā CDMA, akā,ʻaʻole i hoʻouna ka SIM card i kēlāʻike. ʻOi ke koiʻana i kāu kikowaena i ka pūnaewele CDMA aʻaʻole kelepona. Eia keʻano o ka weheʻana i kā CDMA SIM kāleka iʻole e "hoʻoulu" i ka mea like. Ponoʻoe eʻaeʻia mai ka mea lawe wāwae ma mua o ka hiki ke hoʻololi i nā lako.
Eia kekahi laʻana, inā he kanaka T-Mobileʻoe, hiki iāʻoe ke hoʻohana i kahi kelepona AT & T ma ka pūnaewele T-Mobile (a iʻole keʻano'ākeʻe) inā lōʻihiʻoe e waiho ana i ke kāleka SIM a T-Mobile i loko o ka AT & T. He mea maikaʻi kēia i ka wā i haki ai kāu GPS GSM a iʻoleʻoe e ho'āʻo i ka leka uila.
E hoʻomanaʻo naʻe, heʻoiaʻiʻo kēia no nā GPS GSM ma ka pūnaewele GSM. ʻAʻole like ka CDMA.
ʻO kekahi mea'ē aʻe e noʻonoʻo i ka hoʻohālikeʻana i CDMA a me GSM,ʻo ia nā kākoʻo GSM pūnaewele e kākoʻo ana i nā kelepona i ka hoʻohanaʻana i nāʻikepili. ʻO kēia keʻano hiki iāʻoe ke hele a waho e pili ana i ke kelepona paʻakikī akā e hoʻohana mauʻoe i kāu palapala 'āina hoʻokele a e nānā paha i ka pūnaewele. ʻAʻole i kākoʻoʻia kēlāʻano mana i ka hapanui o nā pūnaewele CDMA.
Eʻike i kā mākou weheweheʻana no CDMA no kekahi mauʻike'ē aʻe e pili ana i ka likeʻole o kēia mau papahana.
Nāʻike hou aʻe ma GSM
Hiki ke hoʻihoʻiʻia ke kumu o GSM i ka makahiki 1982 i ka manawa i hoʻokumuʻia ai ka Groupe Spécial Mobile (GSM) e ka European Union of Postal and Telecommunications Administrations (CEPT) no ka hoʻolālāʻana i kahiʻenehana'ōnaehana European-European.
ʻAʻole i hoʻohanaʻia ka GSM i ke kālepa a hiki i ka makahiki 1991, kahi i kūkuluʻia ai me ka hoʻohanaʻana i kaʻenehana TDMA .
Hōʻawiʻia ka GSM i nā hiʻohiʻona like e like me ka hoʻopiʻiʻana i ka leka uila, ka pūnaeweleʻikepili, ka mea hoʻopuka helu, ke kelekaʻana i ka pihi, ke kāheaʻana, ka SMS, a me kaʻaha kūkā.
Ke hana nei kēiaʻenehana kelepona i ka hui 1900 MHz ma ka US a me ka 900 MHz band ma'Europa a me'Asia. Hoʻopihaʻia nāʻikepili a hoʻololiʻia, a laila hoʻounaʻia i loko o kekahi pūnaewele meʻelua mau kahawaiʻikepili'ē aʻe, e hoʻohana ana kēlā me kēia me ka'ōmole.