Modules and Boards

Yeastar 3G WCDMA Channel Module

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Yeastar 3G WCDMA Channel Module (YST-3G)

The Yeastar 3G WCDMA Channel Module is used to customize the connectivity of a compatible Yeastar MyPBX or S-Series phone system. Specifically, this module enables 1 channel for WCDMA voice calls (frequency: 900/2100Mhz, 850/2100MHz, 850/1900MHz).

This module fits into one of the on-board module slots for the S412, S20, and S50. It requires an expansion board to fit into the S100 or S300 units.


  • Enables 1 channel for WCDMA Voice Calls
  • Frequency: 900/2100Mhz, 850/2100MHz, 850/1900MHz


  • Yeastar S-Series (S20, S50, S100, S300, S412)


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