---
title: Grandstream Expansion Module for GRP2615,GRP2624,GRP2650,GRP2670,GXV3350,GXV3450
date: 2024-09-26T21:34:57Z
modified: 2026-05-05T16:47:20Z
permalink: "https://tech.co.za/product/grandstream-expansion-module-for-grp2615grp2624grp2650grp2670gxv3350gxv3450/"
type: product
status: publish
excerpt: GBX20 20 Button Module, 2-pages. 40-lines per module, up to 4 modules
wpid: 509927
product_brand:
  - Grandstream
product_type:
  - simple
product_visibility:
  - featured
product_cat:
  - VoIP Phones
featured_image: "https://tech.co.za/wp-content/uploads/2024/09/GBX20.png"
---

GBX20 20 Button Module, 2-pages. 40-lines per module, up to 4 modules