# Intercom accessory VIDOS DUO M-SM4B function module (VIDOS M-SM4B)

**URL:** https://aio.lv/en/product--vidos-m-sm4b--12235241
**Data updated:** 2026-03-29 16:21 (EEST)
**Category:** CCTV Accessories
**Manufacturer:** VIDOS
**Manufacturer code:** M-SM4B
**EAN:** 5907281206532
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--vidos-m-sm4b--12235241

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

VIDOS DUO M-SM4B is a function module for VIDOS intercom systems, model M-SM4B. It integrates with compatible VIDOS DUO units to add or expand system functions. Designed for installation within VIDOS setups, the module is used to extend intercom capabilities, manage signals and interface with existing hardware in residential or commercial entry systems.

## Long description

VIDOS DUO M-SM4B function module is an accessory designed to expand the capabilities of compatible VIDOS DUO intercom systems. The module integrates into existing VIDOS setups to provide additional functional interfaces and signal management for residential and commercial entry systems. It is intended for installation within the VIDOS system framework and works together with other modules and master units to extend system features.
Advantages
The module provides a compact and purpose-built extension for VIDOS DUO systems, enabling additional inputs, outputs or control functions without altering the main unit. Its design supports seamless integration into the existing intercom architecture and keeps system wiring and layout consistent. The module helps maintain system reliability by centralizing added functions into a single hardware component designed for the VIDOS ecosystem.
Suitable for
Expanding intercom functionality in residential apartment buildings
Adding interface or control options for commercial entrance systems
Upgrading existing VIDOS DUO installations with additional signal management
Integrating extra inputs/outputs in multi-module intercom configurations
Key specifications
Compatibility: designed for use with VIDOS DUO intercom systems
Form factor: compact module for installation inside VIDOS system enclosures
Function: adds or expands signal management and interface options within the intercom system
Integration: intended to be connected and configured alongside other VIDOS DUO units and modules
How to use
Install the function module into the designated slot or mounting location inside the VIDOS DUO system enclosure following the manufacturer's mechanical and electrical connection guidelines. Connect the module's signal and power terminals to the corresponding points on the master unit or bus wiring, and configure the system settings using the VIDOS configuration procedures to recognize and assign the new functions. Testing should be performed after installation to verify correct signal routing and interaction with other system components.
Usage recommendations
Ensure installation and electrical connections are performed by a qualified technician familiar with VIDOS intercom systems. Verify compatibility with the specific VIDOS DUO master unit and consult official installation instructions for mounting, wiring, and configuration steps. After installation, perform functional tests and document configuration changes for future maintenance.

## FAQ

### How much does the VIDOS DUO M-SM4B function module cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All VIDOS products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized VIDOS service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12235241/68103232_large.webp