BlackBerry 7520 Review: Key Features & Business Benefits

BlackBerry 7520 (2004): Detailed Noun Explanation (English)

The BlackBerry 7520 (Model Code: RAL11IN) is a business – focused iDEN smartphone released by Research In Motion (RIM) on December 1, 2004, via Nextel in the US. As an upgrade to the 7510, it adds Bluetooth 1.1, GPS, expanded memory, and enhanced attachment viewing, running BlackBerry OS 4.0 with push – email, PTT, and a full QWERTY keyboard for enterprise productivity.

Basic Identity & Launch Info

Item	Details
Full English Name	BlackBerry 7520 (RIM BlackBerry 7520)
Model Code	RAL11IN
Release Date	December 1, 2004 (Nextel launch)
Market Position	Enterprise – focused iDEN smartphone for business users needing push – email, PTT, and mobile productivity
Key Taglines	“Nextel’s First Bluetooth BlackBerry”; “Push Email + GPS + PTT”; “Enhanced Enterprise Mobility”
2004 Launch Price	~$299 (Nextel contract – subsidized)
Network Compatibility	iDEN 800MHz (Nextel; supports voice, data, PTT)

Key Technical Specifications (English)

1. Display & Input

Parameter	Details
Type & Size	2.6 – inch 240×160 pixels TN – TFT LCD (65K colors, backlit)
PPI & Screen – to – Body	~111 ppi, ~23.5% screen – to – body ratio
Input	Full QWERTY thumb keyboard (34 keys); 3 – way rotary scroll wheel (clickable)
UI	Icon – driven, menu – based BlackBerry UI; backlight for low – light use

2. Processor & Performance

Parameter	Details
Chipset	ARM 9EJ – S Core (embedded, low – power for mobile use)
RAM & Storage	4MB SRAM; 32MB Flash ROM (non – expandable)
Software Support	Java ME; supports enterprise apps, basic third – party Java programs
Core Functions	Smooth push – email, calendar/contact sync, PTT, and attachment viewing (Word, Excel, PDF)

3. Connectivity & Network

Parameter	Details
Network	iDEN 800MHz (Nextel; voice, data, PTT)
Bluetooth	Bluetooth 1.1 (supports headsets, basic file transfer)
GPS	Built – in GPS (basic location services, no turn – by – turn navigation)
USB	USB 1.1 Mini – B port (sync/charging)
Audio	2.5mm audio jack; mono loudspeaker (speakerphone)

4. Battery & Charging

Parameter	Details
Type & Capacity	Removable 900mAh Li – Ion battery
Charging	USB Mini – B or desktop cradle (no fast charging)
Battery Life	Up to 2.9h talk time; up to 75h standby

5. Design & Build

Parameter	Details
Material	Rugged plastic housing (iDEN – standard durability)
Dimensions	114×75×28mm (4.5×2.9×1.1 inches)
Weight	173g (6.1oz)
Color Options	Black
Protection	Rugged build for daily use; no IP rating
Buttons & Sensors	PTT (Push – to – Talk) button; volume rocker; LED notification light

6. Software & Features

Parameter	Details
OS	BlackBerry OS 4.0 (enterprise – optimized, supports enhanced attachment viewing)
Key Apps	Push – email (BES integration), Address Book, Calendar, Task List, Memo Pad, Java apps, PTT, speakerphone
Security	Password – protected device lock; BES integration for corporate data security
Enterprise Sync	Wireless sync with BlackBerry Enterprise Server (BES); desktop sync via USB (contacts, calendar, emails)

Core Unique Selling Points (USPs)

Bluetooth + GPS Combo: First Nextel BlackBerry with Bluetooth (for headsets) and built – in GPS, enhancing mobility and connectivity.
PTT + Push – Email: Combines Nextel’s iconic PTT with RIM’s push – email, ideal for team – based businesses.
Enhanced Attachment Viewing: Supports Word, Excel, and PDF attachments, critical for on – the – go professionals.
Rugged iDEN Design: Durable build suited for field workers and business travelers.
Enterprise Integration: Seamless BES sync ensures secure corporate data access and management.