---
title: Grandstream SIP Doorphone intercom with RF card reader
date: 2024-09-26T21:34:56Z
modified: 2026-05-05T16:47:19Z
permalink: "https://tech.co.za/product/grandstream-sip-doorphone-intercom-with-rf-card-reader/"
type: product
status: publish
excerpt: 2 mics, 2W HD speaker, Key Pad, RFID reader, IP66, IK10, no PSU
wpid: 509922
product_brand:
  - Grandstream
product_type:
  - simple
product_visibility:
  - featured
  - outofstock
product_cat:
  - VoIP Phones
featured_image: "https://tech.co.za/wp-content/uploads/2024/09/GDS3705.png"
---

The Grandstream GDS3705 is a SIP door phone intercom, built for users looking for a strong audio-only facility access and security monitoring solution. It can be deployed in environments of all sizes and features a dual microphone and HD loudspeaker. It also supports SIP calls to IP phones and has a built-in RFID chip reader and keypad for secured key-less/key entry. The GDS3705 comes equipped with a zinc alloy metal casing, making it weatherproof and vandal resistant.