# Door/Window Sensor Homematic IP 142800A0

**URL:** https://aio.lv/en/product--eq-3-142800a0--1501666
**Data updated:** 2026-01-13 17:29 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** eQ-3
**Manufacturer code:** 142800A0
**EAN:** 4047976428007
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 87.99 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 72.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eq-3-142800a0--1501666

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Homematic IP 142800A0 door/window sensor offers wireless connectivity with a frequency of 868.3/869.525 MHz. It operates on a 1.5 V battery and features a compact design with dimensions of 32 mm width, 16 mm depth, and 143 mm height. Ideal for enhancing home security, this sensor alerts you when doors or windows are opened or closed, ensuring peace of mind.

## Long description

The Homematic IP 142800A0 door/window sensor is a wireless magnetic contact sensor designed to detect opening and closing events on doors and windows. It communicates on the 868.3/869.525 MHz band and is powered by a 1.5 V battery. With compact dimensions (32 mm width, 16 mm depth, 143 mm height) the sensor can be mounted unobtrusively on frames and sashes to provide reliable state information to a Homematic IP system or compatible gateway.
Advantages
The sensor provides reliable contact detection with low power consumption thanks to battery operation and optimized radio communication. Its slim housing and small footprint make installation discreet on narrow frames and small windows. Operation on standard frequencies ensures compatibility with Homematic IP components and supports secure wireless signaling for event notification and automation triggers.
Подходит для
Monitoring entry doors in residential and small commercial premises
Securing tilt-and-turn and sliding windows
Integrating into alarm or home automation scenarios for state-triggered actions
Detecting unauthorized access or tracking expected openings for ventilation/control
Key specifications
Wireless frequency: 868.3 / 869.525 MHz
Power supply: 1.5 V battery
Housing dimensions: 32 mm (W) x 16 mm (D) x 143 mm (H)
Contact detection type: magnetic reed/contact sensor
Mounting: surface-mounted on door or window frames and sashes
How to use
Mount the sensor’s main body on the fixed frame and the magnet on the moving sash or leaf so that the two parts align when the door or window is closed. Insert the 1.5 V battery following polarity markings and pair the device with a Homematic IP access point or compatible gateway according to the gateway’s inclusion procedure. After successful pairing, configure desired notifications, automations or alarm responses in the system interface. Test the installation by opening and closing the fitted door or window and verifying the reported status changes in the control app or gateway.
Usage recommendations
Place the sensor where the magnet and main unit can be aligned within the manufacturer’s recommended gap, avoid installing on very uneven or soft substrates, and replace the battery when battery-status notifications appear to maintain continuous operation. For reliable radio range, avoid metal obstructions and position the gateway within reasonable distance according to site conditions.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.047 kg |
| Certification | CE |
| Number of batteries supported | 1 |
| Height | 143 mm |
| Width | 32 mm |
| Depth | 16 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Operating frequency | 868.3/869.525 |
| Package depth | 93 mm |
| Package height | 48 mm |
| Package width | 184 mm |
| Manual | Yes |
| Battery voltage | 1.5 V |
| Number of products included | 1 pc(s) |
| Maximum indoor range | 160 m |
| Ambient temperature (max) | 55 °C |
| Ambient temperature (min) | -10 °C |

## FAQ

### How much does the Door/Window Sensor Homematic IP 142800A0 cost, and is it available for purchase?

The price is 87.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 07.07.2026 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. 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 eQ-3 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 eQ-3 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/1501666/57982746_large.webp