---
product_id: 350601923
title: "YST-EX30 1 T1/E1 PRI Expansion Board for S100 S300"
brand: "yeastar"
price: "S$965"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/350601923-yst-ex30-1-t1-e1-pri-expansion-board-for-s100
store_origin: SG
region: Singapore
---

# Single Span E1/T1 Supports 2-3 Boards Compatible with S100/S300 YST-EX30 1 T1/E1 PRI Expansion Board for S100 S300

**Brand:** yeastar
**Price:** S$965
**Availability:** ✅ In Stock

## Summary

> 📈 Elevate Your Communication Game!

## Quick Answers

- **What is this?** YST-EX30 1 T1/E1 PRI Expansion Board for S100 S300 by yeastar
- **How much does it cost?** S$965 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/350601923-yst-ex30-1-t1-e1-pri-expansion-board-for-s100)

## Best For

- yeastar enthusiasts

## Why This Product

- Trusted yeastar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Scalable Solutions:** Easily scale your system as your business grows.
- • **Reliable Performance:** Experience stable and efficient communication with minimal downtime.
- • **Future-Proof Your Setup:** Invest in a solution that adapts to your evolving business needs.
- • **Versatile Compatibility:** Designed specifically for S100 and S300 PBX systems.
- • **Expand Your Connectivity:** Seamlessly integrate up to 3 boards for enhanced communication.

## Overview

The Yeastar YST-EX30 is a robust expansion board designed for S100 and S300 PBX systems, allowing businesses to enhance their communication capabilities with support for up to 2 boards on S100 and 3 boards on S300, ensuring scalability and reliability.

## Description

YST-EX30 1 T1/E1 PRI Expansion Board for S100 S300

## Features

- Single Span E1 T1 PRI Expansion Board for S100 and S300 PBX.
- Supports up to 2 boards for the S100, and 3 boards for the S300.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | YEASTAR |
| Item Weight | 5 ounces |
| Product Dimensions | 5 x 4 x 1 inches |
| Item Dimensions  LxWxH | 5 x 4 x 1 inches |
| Number of Processors | 1 |
| Manufacturer | Yeastar |
| ASIN | B07GZXMKTJ |
| Is Discontinued By Manufacturer | No |
| Date First Available | August 30, 2018 |

## Product Details

- **Brand:** YEASTAR
- **Processor Count:** 1
- **UPC:** 637459703468

## Images

![YST-EX30 1 T1/E1 PRI Expansion Board for S100 S300 - Image 1](https://m.media-amazon.com/images/I/31YmPY7xENL.jpg)

---

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**Shop now:** [https://www.desertcart.sg/products/350601923-yst-ex30-1-t1-e1-pri-expansion-board-for-s100](https://www.desertcart.sg/products/350601923-yst-ex30-1-t1-e1-pri-expansion-board-for-s100)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-27*