Modules and Boards

Yeastar GSM Channel Module

  • New: $250.00
Availability: In Stock
$250.00
$250.00
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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.


Features

  • Enables 1 channel for GSM Voice Calls
  • Frequency: 850/900/1800/1900MHz (quad-band)

Compatibility

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

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C.Pitts Verified Customer   
03-26-25

We were in search of phones that had been discontinued for quite some time, and I am delighted to have discovered this website. The entire process-from placing the order to receiving the devices-was seamless and highly efficient. The website is clean, user-friendly, and easy to navigate, which made browsing and purchasing straightforward. After placing the order, the phones arrived within the promised time frame and were in excellent condition. The company provided timely updates regarding the status of my order without overwhelming me with unnecessary promotional messages. This level of communication was both reassuring and professional. I highly recommend this company/website, especially for those seeking older, discontinued devices.

Jahlawny E. Verified Customer   
03-26-25
Matthew S. Verified Customer   
03-26-25

The price is more than fair! I'm looking forward to receiving my order.