Modules and Boards

Yeastar GSM Channel Module

  • New: $250.00
Availability: In Stock

Yeastar GSM Channel Module (YST-GSM)

The Yeastar GSM 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 GSM voice calls (quad-band frequency: 850/900/1800/1900MHz).

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 GSM Voice Calls
  • Frequency: 850/900/1800/1900MHz (quad-band)


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

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