# TV signal amplifier Kathrein VOS 138/RA 2.0 AC power 50/60 Hz dimensions 218×80×150 mm

**URL:** https://aio.lv/en/product--kathrein-209500004--10807238
**Data updated:** 2026-01-14 13:02 (EET)
**Category:** SAT Antennas & Dishes
**Manufacturer:** Kathrein
**Manufacturer code:** 209500004
**EAN:** 4063242002528
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 364.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 301.23 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kathrein-209500004--10807238

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

Kathrein VOS 138/RA 2.0 is a TV signal amplifier designed to boost terrestrial and cable television signals. It uses AC power with an input frequency of 50/60 Hz and has compact dimensions (218×80×150 mm). Suitable for improving reception quality in homes or small buildings, it stabilizes signal levels and reduces noise for clearer picture and sound.

## Long description

Kathrein VOS 138/RA 2.0 is a compact TV signal amplifier designed to improve terrestrial and cable television reception in homes and small buildings. It accepts AC power at 50/60 Hz and provides stable amplification to reduce noise and level variations, helping to deliver clearer picture and sound without changing distribution wiring.
Advantages
The device offers a compact metallic housing with dimensions 218×80×150 mm and a lightweight construction that simplifies installation in limited spaces. Its AC-powered design supports standard mains frequencies (50/60 Hz), providing consistent performance and reduced signal distortion. The amplifier stabilizes varying signal levels from outdoor antennas or cable feeds, improving overall reception quality and minimizing pixelation and audio dropouts.
Suitable for
Domestic TV reception improvement in apartments and houses
Small commercial spaces such as offices or waiting rooms
Systems where a compact, wall- or rack-mounted amplifier is required
Environments with fluctuating terrestrial or cable signal strength
Key specifications
Power supply: AC, mains frequency 50/60 Hz
Housing dimensions: 218 × 80 × 150 mm
Weight: 1.25 kg
Housing colour and finish: metallic
Application: terrestrial and cable TV signal amplification
How to use
Install the Kathrein VOS 138/RA 2.0 amplifier between the antenna or cable feed and the receiver or distribution network, following local safety regulations for mains-powered equipment. Connect the input coaxial from the antenna or incoming cable to the amplifier input, then connect the output to your TV set or distribution amplifier. Supply AC mains power at the rated frequency (50/60 Hz) and check signal levels on your receiver; adjust any available gain controls according to the receiver manufacturer's guidance to avoid overload. Ensure all coaxial connectors are properly tightened and weatherproofed if installed outdoors.
Usage recommendations
Use this amplifier when signal level fluctuations or noise cause visible artifacts or audio interruptions. Avoid excessive gain settings that may overload downstream devices. Place the unit in a ventilated, dry location and follow grounding and surge protection best practices for mains-powered antenna equipment.
Kathrein VOS 138/RA 2.0 provides a practical solution for stabilizing terrestrial and cable TV signals where compact size and AC mains operation are required.

## Specifications

| Feature | Value |
|---|---|
| Input frequency | 50/60 |
| Protection class | I |
| Frequency range (forward path) | 85 - 1006 |
| Frequency range (return path) | 5 - 65 |
| Gain (forward path) | 40 dB |
| Gain (return path) | 30 dB |

### Antenna

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

### Technical details

| Feature | Value |
|---|---|
| Certification | EN 60728-11, EN 50083-2, EN 62368-1 |
| International Protection (IP) code | IP54 |
| Compliance certificates | CE |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.25 kg |
| Height | 150 mm |
| Width | 218 mm |
| Depth | 80 mm |

### Power

| Feature | Value |
|---|---|
| Power source type | AC |

### Packaging data

| Feature | Value |
|---|---|
| Quantity | 1 |

### Features

| Feature | Value |
|---|---|
| Product colour | Metallic |

## FAQ

### How much does the TV signal amplifier Kathrein VOS 138/RA 2.0 cost, and is it available for purchase?

The price is 364.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 28.07.2026 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/10807238/66753447_large.webp