# Indoor antenna ALFA ARS-25-57A 2.4/5 GHz dual-band, 5/7 dBi gain, RP‑SMA male connector

**URL:** https://aio.lv/en/product--alfa-ars-25-57a--3590003
**Data updated:** 2026-03-26 06:17 (EET)
**Category:** Wi‑Fi Antennas
**Manufacturer:** ALFA
**Manufacturer code:** ARS-25-57A
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--alfa-ars-25-57a--3590003

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The ALFA ARS-25-57A is an indoor dual-band antenna for 2.4 GHz and 5 GHz Wi‑Fi networks. It provides 5 dBi gain on one band and 7 dBi on the other, and uses an RP‑SMA male connector for easy connection to routers, access points or USB adapters. Suitable for improving indoor signal coverage, reception and throughput in homes, offices and small commercial spaces.

## Long description

The ALFA ARS-25-57A is an indoor dual-band antenna designed for 2.4 GHz and 5 GHz Wi‑Fi networks. It offers directional performance with two different gain levels—5 dBi on one band and 7 dBi on the other—and connects with an RP‑SMA male connector for straightforward attachment to compatible routers, access points and USB Wi‑Fi adapters. The antenna is intended to improve indoor signal coverage, reception and throughput in homes, offices and small commercial spaces.
Advantages
The dual-band design supports both 2.4 GHz and 5 GHz bands, allowing devices to benefit from improved signal strength across common Wi‑Fi frequencies. Different gain values on each band provide a balance between wider coverage and higher directional gain where needed. The RP‑SMA male connector ensures compatibility with a wide range of consumer networking equipment and enables easy installation without specialized tools. The indoor form factor is compact and suitable for placement on shelves, desks or near networking equipment.
Suitable for
Improving Wi‑Fi coverage in apartments and houses
Enhancing reception for home office routers and access points
Boosting signal strength for USB Wi‑Fi adapters used with PCs or single-board computers
Small offices and retail spaces with indoor wireless dead zones
Key specifications
Frequency bands: 2.4 GHz and 5 GHz
Gain: 5 dBi on one band, 7 dBi on the other
Connector type: RP‑SMA male
Application: indoor Wi‑Fi signal enhancement
Form factor: compact indoor antenna suitable for tabletop or shelf placement
How to use
Attach the antenna to the RP‑SMA female port of your router, access point or USB Wi‑Fi adapter by hand-turning until snug; do not overtighten. Position the antenna vertically for general coverage and adjust orientation to optimize reception in the target area. Place the antenna away from large metallic objects and appliances that may cause interference. After installation, verify wireless signal strength and throughput using your device's network diagnostic tools and reposition the antenna if necessary to achieve the best performance.
Usage recommendations
For best results, use the ARS-25-57A indoors and pair it with devices that have RP‑SMA compatible ports. When improving coverage across floors or longer distances, consider combining placement adjustments with router settings such as channel selection and transmit power. If the connected device has removable antennas, replace factory antennas with this dual-band antenna one at a time and test performance to ensure proper band selection and stability.

## FAQ

### How much does the ALFA ARS-25-57A indoor antenna 2.4/5 GHz cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 150 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 20.07.2026 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 ALFA 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 ALFA 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

## Image

https://aio.lv/img/cache/product/3590003/5381750_large.webp