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header-product Outdoor 4G LTE Antenna QOLTEC 57021 — 18 dBi gain, 600–2700 MHz, 50 Ω, 50 W, white plastic housing
28.49 €

Outdoor 4G LTE Antenna QOLTEC 57021 — 18 dBi gain, 600–2700 MHz, 50 Ω, 50 W, white plastic housing

Outdoor 4G LTE Antenna QOLTEC 57021 Photo 1
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Outdoor 4G LTE Antenna QOLTEC 57021 Photo 8
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 9
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 1
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 2
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 3
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 4
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 5
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Outdoor 4G LTE Antenna QOLTEC 57021 Photo 7
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 8
Outdoor 4G LTE Antenna QOLTEC 57021 Photo 9
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Outdoor 4G LTE Antenna QOLTEC 57021 — 18 dBi gain, 600–2700 MHz, 50 Ω, 50 W, white plastic housing

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Outdoor 4G LTE Antenna QOLTEC 57021 — 18 dBi gain, 600–2700 MHz, 50 Ω, 50 W, white plastic housing

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Short description

Outdoor 4G LTE antenna QOLTEC 57021 provides up to 18 dBi gain across 600–2700 MHz for improved mobile and data reception. Designed for external installation, it features a white plastic housing, 50 Ω impedance and 50 W power handling. Weighing 525 g, the antenna suits rural or urban deployments to extend signal range and stabilize connections for routers, modems and LTE devices.
Available at price 28.49 €: 6 pcs.
Total available for order: 10 pcs.
Warranty: 2 Years
SKU: 4323619
Manufacturer: QOLTEC
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
30.06.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
03.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.18 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
03.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The 4G LTE Antenna Qoltec 57021 18 dBi Outdoor is an external cellular antenna designed to improve reception for 4G LTE devices. Intended for outdoor installation, it increases signal strength and stability for routers, modems and other equipment with an external antenna input. The model is identified by MPN 57021 and EAN 5901878570211.

Advantages

The antenna provides a high directional gain of 18 dBi to enhance reception in areas with moderate to weak cellular coverage. It is built for outdoor use to reduce interference from indoor obstructions and allows flexible placement to optimize signal quality. Compatibility with devices that accept external 4G LTE antennas enables improved connectivity for routers and modems.

Suitable for

  • Improving 4G LTE signal for home routers and modems
  • Enhancing connectivity at small offices and remote locations
  • Use with gateways and equipment that support external cellular antennas

Key specifications

  • Brand: QOLTEC
  • Model: 57021
  • Product type: 4G LTE external antenna
  • Gain: 18 dBi
  • Intended use: Outdoor (external) installation
  • Category: Wi‑Fi antennas / cellular accessories
  • MPN: 57021
  • EAN: 5901878570211

How to use

Select an elevated outdoor mounting location with a clear line of sight toward the nearest cellular base station when possible. Secure the antenna to a mast, pole or wall mount using appropriate brackets and hardware, run the antenna cable into the building and connect it to the external antenna port of your router, modem or gateway. After connection, adjust the antenna direction gradually while monitoring signal levels on your device to find the optimal orientation. Use weatherproofing for external connections and fasten cables to prevent movement.

Usage recommendations

Verify compatibility with your modem or router before installation. For best results, mount the antenna away from large metal surfaces and sources of interference; use a low-loss coaxial cable and proper grounding for outdoor installations.

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
EU2 6 30.06.2026 Best delivery 28.49 € Best price
WH353 4 13.07.2026 33.49 €
28.49 €
Stock: 6
Delivery Date: 30.06.2026 Best delivery
Warehouse: EU2
33.49 €
Stock: 4
Delivery Date: 13.07.2026
Warehouse: WH353

Customer reviews

Customer questions

FAQ

How much does the Outdoor 4G LTE Antenna QOLTEC 57021 cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 30.06.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.