# Coaxial cable Qoltec 57028 N-type RP-SMA LMR400 5 m Black

**URL:** https://aio.lv/en/product--qoltec-57028--4586057
**Data updated:** 2025-12-29 17:33 (EET)
**Category:** Network Cables
**Manufacturer:** QOLTEC
**Manufacturer code:** 57028
**EAN:** 5901878570280
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-57028--4586057

## 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 Qoltec 57028 coaxial cable features a length of 5 m, N-type and RP-SMA connectors, and is designed for reliable signal transmission. Its LMR400 standard ensures low loss and high performance, making it ideal for various applications. The black color adds a sleek look, and the compact packaging makes it easy to store and transport.

## Long description

The Qoltec 57028 coaxial cable is a 5 m LMR400 cable with N-type and RP-SMA connectors, designed for low-loss, reliable signal transmission. It is suitable for antenna connections, DVB-T receivers, CCTV installations and home audio-video setups where maintaining signal quality is important. The black cable combines performance and a discreet appearance while the LMR400 specification ensures reduced attenuation over the cable length.
Advantages
This coaxial cable follows the LMR400 standard to deliver low signal loss and stable transmission. Robust outer insulation provides resistance to weather, UV exposure, moisture and mechanical damage, supporting longer service life in indoor and protected outdoor installations. The combination of N-type and RP-SMA connectors offers compatibility with a range of antennas, receivers and radio equipment.
Suitable for
Antenna installations and DVB-T receivers
Cable television reception and set-top boxes
CCTV and closed-circuit television systems
Home audio-video connections and radio equipment
Key specifications
Brand: QOLTEC
Model / MPN: 57028
Cable length: 5 m
Cable type: LMR400
Connector 1: N-type
Connector 2: RP-SMA
Colour: Black
EAN: 5901878570280
How to use
Connect the N-type end and the RP-SMA end to the corresponding connectors on your antenna, receiver or radio device, ensuring threaded connectors are tightened by hand and not overtightened. Route the cable to avoid sharp bends and excessive tension; follow device manufacturer guidelines for connector orientation. For outdoor runs, place connectors and adapters in weatherproof junctions or use appropriate sealing to maintain performance.
Usage recommendations
Use this LMR400 coaxial cable for installations where low attenuation and reliable RF signal transmission are required. Inspect connectors periodically for corrosion or looseness and replace the cable if outer insulation shows significant wear or damage.

## Specifications

| Feature | Value |
|---|---|
| Insulation material | Polyethylene |

### Features

| Feature | Value |
|---|---|
| Cable length | 5 m |
| Cable type | LMR400 |
| Connector 1 | N-type |
| Connector 2 | RP-SMA |
| Product colour | Black |
| Connector 1 form factor | Straight |
| Connector 2 form factor | Straight |
| Connector 1 gender | Female |
| Connector 2 gender | Male |

### Other features

| Feature | Value |
|---|---|
| Impedance | 50 Ω |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 320 mm |
| Package height | 460 mm |
| Package width | 60 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Coaxial cable Qoltec 57028 cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 58 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, 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 QOLTEC 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 QOLTEC 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: cable length, cable type, connector 1, connector 2, 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/4586057/64067626_large.webp