Tentu anda sering mendengar istilah istilah berikut GPRS, EDGE, UMTS, HSDPA. Tahukah anda apa yang dimaksud dari istilah istilah teersebut? Semakin majunya teknologi menuntut untuk terus diadakannya pembaharuan, berikut juga di bidang akses data. GPRS adalah generasi pertamanya disusul dengan Edge dengan memberikan layanan agak cepat lalu 3G dengan menghadirkan layanan tercepat dan akhirnya teknologi sekarang 3.5G menyingkirkan semua dengan menghadirkan layanan sangat cepat untuk mengakses data, dan mungkin akan hadir layanan 4G.Berikut Perbedaan Akses Data GPRS > EDGE > 3G/UMTS > 3.5G/HSDPA :
- GPRS (General Packet Radio Service) : suatu teknologi yang digunakan untuk pengiriman dan penerimaan paket data. GPRS sering disebut dengan teknologi 2G. Fasilitas yang diberikan oleh GPRS : e-mail, mms (pesan gambar), browsing, internet. Secara teori GPRS memberikan kecepatan akses antara 56kbps sampai 115kbps.
- EDGE (Enhanced Data for Global Evolution) : teknologi perkembangan dari GSM, rata-rata memiliki kecepatan 3kali dari kecepatan GPRS. Kecepatan akses EDGE secara teori sekitar 384kbps. Fasilitas yang disediakan EDGE sama seperti GPRS (e-mail, mms, dan browsing).
- UMTS (Universal Mobile Telecommunication Service) : perkembangan selanjutnya dari EDGE. UMTS sering disebut generasi ke tiga (3G). Selain menyediakan fasilitas akses internet (e-mail, mms, dan browsing), UMTS juga menyediakan fasilitas video streaming, video conference, dan video calling*). Secara teori kecepatan akses UMTS sekitar 480kbps.
- HSDPA (High Speed Downlink Packet Access) merupakan perkembangan akses data selanjutnya dari 3G. HSDPA sering disebut dengan generasi 3.5 (3.5G) karena HSDPA masih berjalan pada platform 3G. Secara teori kecepatan akses data HSDPA sama seperti 480kbps, tapi bisa dipastikan bahwa akses data melalui HSDPA lebih unggul daripaa UMTS.
for sumber : http://blog.fastncheap.com/gprs-edge-umts-hsdpa
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