The BlackBerry 6710 can be used in North America, Asia Pacific and Europe, on 900/1900 MHz Global System for Mobile Communications (GSM) and General Packet Radio Service (GPRS) networks.
The BlackBerry 6720 can only be used within Asia Pacific and Europe on the 900/1800 MHz frequency GSM/GPRS networks. Both of the Java-based handhelds offer e-mail, phone, short message service (SMS) browser and organiser applications.
RIM has also introduced a new Web-based application with the handhelds, called BlackBerry Web Client. This supports Internet service provider (ISP) e-mail accounts through the point of presence (POP3) protocol, allowing users to access multiple existing e-mail accounts from their handheld. A default Web mail account is also provided.