# TV signal amplifier Triax MFA657 470 - 694 MHz F-female

**URL:** https://aio.lv/en/product--triax-340557--8181255
**Data updated:** 2026-01-23 13:49 (EET)
**Category:** SAT Antennas & Dishes
**Manufacturer:** Triax
**Manufacturer code:** 340557
**EAN:** 5702663405578
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 42.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 35.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--triax-340557--8181255

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Triax MFA657 is a TV signal amplifier operating in the frequency range of 470 - 694 MHz. It features F-female connectors and compact dimensions of 137 mm width, 60 mm depth, and 115 mm height. This amplifier enhances signal strength, ensuring better reception quality for your television. Ideal for improving TV signal in areas with weak reception.

## Long description

The Triax MFA657 is a compact TV signal amplifier designed to operate in the 470–694 MHz frequency range. Equipped with F-female connectors, this mast amplifier boosts received TV signals to improve reception quality in locations with weak or marginal signal levels. Its compact housing (137 mm × 60 mm × 115 mm) makes it suitable for installation on masts or in small technical enclosures.
Advantages
The MFA657 provides multiband amplification optimized for UHF television bands within 470–694 MHz and includes channel cut-off options to limit unwanted frequency ranges. F-female connectors allow straightforward cabling and compatibility with common TV coaxial cables. The unit’s small footprint simplifies mounting and integration on standard masts.
Suitable for
Residential rooftop or mast installations to improve TV reception
Small communal antenna systems requiring a compact mast amplifier
Locations with weak or variable UHF broadcast signals
Key specifications
Frequency range: 470–694 MHz
Connector type: F-female
Dimensions (W × D × H): 137 mm × 60 mm × 115 mm
Multiband amplifier with selectable channel cut-off ranges
How to use
Mount the amplifier on the mast or in a protected technical box close to the antenna feed. Connect the antenna coaxial cable to the input F-female connector and run an output coaxial cable from the amplifier to the distribution point or TV. Ensure power is supplied according to the amplifier’s installation instructions and verify signal levels after installation to avoid overloading downstream equipment.
Usage recommendations
Install the MFA657 as close to the antenna as practical to minimize signal loss in the feed cable. Use quality coaxial cable and connectors, and adjust or disable amplification if downstream signal levels exceed receiver tolerances.

## Specifications

| Feature | Value |
|---|---|
| Ports quantity | 4 |

### Antenna

| Feature | Value |
|---|---|
| Noise figure | 2.5 dB |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.25 kg |
| Height | 115 mm |
| Width | 137 mm |
| Depth | 60 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 330 g |
| Package depth | 110 mm |
| Package height | 144 mm |
| Package width | 70 mm |
| Package tare weight | 80 g |

### Features

| Feature | Value |
|---|---|
| Connector(s) | F-female |
| Product colour | Grey |
| Frequency range | 470 - 694 |

## FAQ

### How much does the TV signal amplifier Triax MFA657 cost, and is it available for purchase?

The price is 42.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 01.07.2026 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 Triax 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 Triax 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/8181255/59503270_large.webp