Yeastar WCDMA 3G Module (WCDMA)
Yeastar WCDMA 3G Module 1 WCDMA Trunk Compatible with S-Series and MyPBX U100/U200 only
Yeastar S Series WCDMA module Supports: USA: AT&T 850/1900MHz Canada: Rogers 850/1900MHz. Bell 850/1900MHz. Telcus 850/1900MHz Mexico: Telcel 850/1900MHz Most of South America Countries 850/1900MHZ or 1900MHz only