# FRITZ DECT 350 Smart Home Transmitter Wireless Wall-mounted 1880 - 1900 MHz AAA Battery

**URL:** https://aio.lv/en/product--fritz-20003050--10760434
**Data updated:** 2026-11-04 02:34 (EET)
**Category:** Home Automation
**Manufacturer:** FRITZ
**Manufacturer code:** 20003050
**EAN:** 4023125030505
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.99 €
**Prices and availability valid until:** 2026-12-07 23:59
**Price without VAT (21%):** 58.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fritz-20003050--10760434

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.12.2026 | free |
| Pickup points | 11.12.2026 | 1.99 EUR |
| Courier delivery to door | 11.12.2026 | 4.99 EUR |

## Summary description

FRITZ DECT 350 wireless wall-mounted smart home transmitter operates at 1880 - 1900 MHz frequency. Powered by AAA batteries, dimensions are 28.5 x 12 x 24 mm.

## Long description

The FRITZ DECT 350 is a wireless wall-mounted smart home transmitter designed to integrate seamlessly into your existing home automation network. Operating at a frequency of 1880 - 1900 MHz and powered by AAA batteries, this compact device functions as a magnetic door and window contact. It immediately detects open doors and tilted windows, allowing you to manage your connected home environment efficiently. Measuring 28.5 x 12 x 24 mm, it can be mounted on almost all window and door frames or even invisibly inside standard window frames with Eurofold.
Advantages
This wireless transmitter offers reliable performance by operating on the established DECT ULE standard, ensuring secure and energy-efficient communication with your central hub. It helps you save on heating costs when used together with FRITZ! radiator controls by automatically pausing heating when a window is opened. The device provides versatile control options, allowing you to switch and manage all FRITZ! Smart Home devices and compatible Zigbee devices. Integration into scenes, templates, and routines enables full automation of your daily household tasks.
Suitable for
Monitoring open or closed windows and doors to enhance home security and energy efficiency
Triggering automated routines and scenes alongside FRITZ! radiator controls and other smart devices
Users looking for a compact, battery-powered smart home transmitter compatible with existing FRITZ!Box setups
When it may not be suitable
This device may not be suitable for households that do not use a compatible FRITZ!Box with a DECT base station running FRITZ!OS 7.50 or later, as it requires this specific infrastructure to function. Additionally, it relies on wireless connectivity and battery power, meaning it cannot be hardwired into mains electricity.
Key specifications
Wireless wall-mounted design
Operating frequency range of 1880 - 1900 MHz
Powered by AAA batteries
Dimensions of 28.5 x 12 x 24 mm
Magnetic door and window contact functionality
DECT ULE connectivity technology
LED status indicator for standby, updates, and registration
How to use
To begin using the FRITZ DECT 350, insert the AAA batteries and register the device with any compatible FRITZ!Box featuring a DECT base station running FRITZ!OS 7.50 or later. Setup is handled directly through the FRITZ!Box user interface, where you can easily configure the transmitter. Mount the unit onto your chosen door or window frame using the provided guidelines. Once installed, the integrated LED will indicate successful registration and standby status, allowing you to monitor window and door states via the FRITZ!App Smart Home, FRITZ!Fon, or the FRITZ!OS interface.
What to consider before purchase
Verify that your existing router is a FRITZ!Box equipped with a DECT base station and updated to FRITZ!OS 7.50 or later
Check the physical dimensions of your window or door frames to ensure proper placement and fit
Confirm that you have compatible FRITZ! smart home devices or Zigbee devices if you plan to use the transmitter for advanced routines
Usage recommendations: Regularly check the battery level of the AAA batteries to ensure uninterrupted wireless transmission. Keep the device firmware updated by utilizing the automatic update function for access to new features and improved stability.

## Specifications

| Feature | Value |
|---|---|
| Type | Wall-mounted |
| Weight | 0.036 kg |
| Package weight | 120 g |
| Battery type | AAA |
| Operating temperature (T-T) | 0 - 50 |
| Number of batteries supported | 2 |
| Power source | Battery |
| Height | 24 mm |
| Width | 28.5 mm |
| Depth | 12 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Maximum operating distance | 40 m |
| Operating frequency | 1880 - 1900 |
| Package depth | 142 mm |
| Package height | 40 mm |
| Package width | 129 mm |
| Batteries included | Yes |
| Transmit power | 250 mW |

## FAQ

### How much does the FRITZ DECT 350 Smart Home Transmitter Wireless cost, and is it available for purchase?

The price is 70.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 08.12.2026 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. 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 FRITZ 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 FRITZ 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

### Where can I download the instructions for FRITZ DECT 350 Smart Home Transmitter Wireless?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10760434/70874918_large.webp