Coba jelasin Sistem dari BlackBerry Curve 8520 dong

Sistem operasi 	: BlackBerry OS

Input 		: Predictive Text Input, Keyboard QWERTY

WiFi 802.11b/802.11g enabled, Wi-Fi Alliance Certifications: WPA/WPA2 Personal and Enterprise, WMM, WMM Power Save planned, Cisco CCX Certification planned, Wi-Fi access to BlackBerry® Enterprise Server, Wi-Fi access to BlackBerry® Internet Service, Direct IP web browsing over Wi-Fi, Support for UMA (Unlicensed Mobile Access ) / GMA. Spesifikasi radio jaringan Wi-Fi®: standar LAN nirkabel: IEEE® 802.11b™, IEEE® 802.11g™, frekuensi pengirim dan penerima: 2.412 s/d 2.472 MHz

Bluetooth (2.0), voice activated dialing untuk penggunaan hands - free dengan headset, car kits, stereo headsets, Bluetooth® v2.0 + EDR, Headset (HSP), 3.5mm Headset Capable, Handsfree (HSF), Serial Port Profile, SIM Access Profile, Dial Up Networking (DUN), Stereo Profile (A2DP), A/V Remote Control Target (AVRCP), dukungan jalur-tunggal: ISM 2,4 GHz, frekuensi pengirim dan penerima: 2.402 s/d 2.480 MHz

Konektor HeadPhone Jack (3.5mm), tidak ada GPS