The Samsung 3G Network Extender Signal Booster for Verizon Carrier Phones, in Black.
Model number: SCS2U01 / SCS-2U01.

With the Network Extender, you can begin a call on the Network Extender network and enjoy uninterrupted transition to the nearest cell tower when leaving the Network Extender coverage area, provided alternative coverage is available. The new 3G EVDO Network Extender will boost data coverage along with supporting voice calls. It supports the Text, Picture and Video messaging, Web Browsing, Smartphone/BlackBerry email and data, V CAST Video & V CAST Music and Mobile Broadband. The new Network Extender supports all Verizon Wireless branded 3G Mobile Broadband devices.
Model Number: SCS-2U01