# TV signal amplifier Kathrein VOS 43/RA

**URL:** https://aio.lv/en/product--kathrein-20910030--3230341
**Data updated:** 2026-01-13 17:40 (EET)
**Category:** SAT Antennas & Dishes
**Manufacturer:** Kathrein
**Manufacturer code:** 20910030
**EAN:** 4021121503917
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 228.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 189.25 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kathrein-20910030--3230341

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Kathrein VOS 43/RA is a reliable TV signal amplifier designed for optimal performance. It features F connectors, a typical power consumption of 5 W, and operates at an input voltage of 230 V with a frequency of 50 Hz. Compact dimensions of 184 x 134 x 63 mm and a weight of 1.4 kg make it easy to install. Enhance your TV signal quality with this efficient amplifier.

## Long description

The Kathrein VOS 43/RA is a compact TV signal amplifier engineered for reliable performance in terrestrial and cable reception systems. Designed with F-type connectors and low power consumption, the unit supports consistent signal gain while maintaining a small physical footprint of 184 x 134 x 63 mm and a weight of 1.4 kg. The amplifier operates from a standard 230 V, 50 Hz mains supply and is suitable for installation where stable amplification and minimal power draw are required.
Advantages
The amplifier provides stable signal amplification with low typical power consumption of 5 W, which reduces operating costs and heat generation. Its compact housing and standardized F connectors simplify mounting and connection in distribution boxes or near reception equipment. A robust construction ensures long-term operation in domestic and small commercial environments, while compatibility with common 230 V mains makes integration straightforward.
Suitable for
 Improving terrestrial or cable TV signal levels in apartments and houses
 Use in small shared distribution networks and communal antenna systems
 Installation in signal distribution cabinets or near TV receivers
Key specifications
 Connector type: F-type
 Typical power consumption: 5 W
 Operating voltage: 230 V
 Operating frequency: 50 Hz
 Dimensions (W x H x D): 184 x 134 x 63 mm
 Weight: 1.4 kg
How to use
Mount the Kathrein VOS 43/RA in a dry, ventilated location close to the antenna feed or distribution point. Connect the incoming antenna or cable feed to the input F connector and route the amplified output to the distribution lines or the TV receiver using the output F connector. Ensure the unit is connected to a 230 V, 50 Hz mains supply and that all connections are secure. After powering the amplifier, verify signal levels at the receiver and adjust downstream components as needed to avoid overload.
Usage recommendations
Place the amplifier away from direct heat sources and in an area with adequate airflow; avoid exposure to moisture. Use quality coaxial cables and properly tightened F connectors to minimize losses. If multiple amplifiers or splitters are used in the system, check cumulative gain and adjust attenuation or spacing to maintain optimal signal levels.

## Specifications

| Feature | Value |
|---|---|
| Power consumption (typical) | 5 W |
| Ports quantity | 1 |
| Input voltage | 230 |
| Input frequency | 50 |
| Protection class | II |
| Frequency range (forward path) | 85 - 1006 |
| Frequency range (return path) | 5 - 65 |
| Gain (forward path) | 40 dB |
| Gain (return path) | -0.04 dB |

### Antenna

| Feature | Value |
|---|---|
| Noise figure | 6 dB |

### Technical details

| Feature | Value |
|---|---|
| International Protection (IP) code | IP50 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.4 kg |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -20 - 55 |

### Features

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 184 x 134 x 63 |
| Connector(s) | F |
| Product colour | Metallic |

## FAQ

### How much does the TV signal amplifier Kathrein VOS 43/RA cost, and is it available for purchase?

The price is 228.99 € (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 23.07.2026 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 Kathrein 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 Kathrein 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3230341/64208211_large.webp