# Omni-directional antenna DeLOCK NB-IoT 3 dBi

**URL:** https://aio.lv/en/product--delock-89770--1037586
**Data updated:** 2026-01-06 11:03 (EET)
**Category:** Wi‑Fi Antennas
**Manufacturer:** DELOCK
**Manufacturer code:** 89770
**EAN:** 4043619897704
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 10.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-89770--1037586

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The DeLOCK NB-IoT Omni-directional antenna features a gain level of 3 dBi and operates at a frequency of 0.9 GHz. With a 50 Ω impedance and SMA female connector, this antenna is designed for reliable connectivity. Its compact size (135 mm height and 1 cm diameter) makes it suitable for various applications. Packaged in a box, model 89770 is ideal for enhancing NB-IoT network performance.

## Long description

The DeLOCK NB-IoT Omni-directional antenna provides indoor use of the 900 MHz (0.9 GHz) band and is built for NB‑IoT connectivity. It has a compact cylindrical form factor (135 mm height, 10 mm diameter), a black finish and an SMA female connector for easy installation. The antenna features 3 dBi gain, 50 Ω impedance and is supplied in box model 89770 (EAN 4043619897704).
Advantages
This omni‑directional antenna offers uniform signal reception and transmission in all horizontal directions, a small footprint for installation in confined spaces, and a standard SMA female connector for compatibility with many NB‑IoT gateways and modems. The 3 dBi gain and 50 Ω impedance support stable indoor NB‑IoT links in the 900 MHz band.
Suitable for (tasks / use cases)
Indoor NB‑IoT gateways and modems
M2M devices requiring 900 MHz connectivity
Signal testing and coverage improvement in small indoor areas
Key specifications
Model: 89770
Frequency band: 0.9 GHz (900 MHz)
Gain: 3 dBi
Impedance: 50 Ω
Connector: SMA female
Colour: Black
Dimensions: 135 mm × 10 mm (height × diameter)
Packaging: Box
EAN: 4043619897704
How to use
Connect the antenna to the SMA male connector on the NB‑IoT device or gateway and position it vertically to achieve omni‑directional coverage. Place the antenna in a central indoor location, away from large metallic obstructions, to maximize signal distribution. No additional setup is required beyond mechanical mounting and electrical connection.
Usage recommendations
For best indoor performance, mount the antenna at a moderate height and keep clear of metal cabinets or heavy electronic equipment. If coverage is insufficient, try repositioning the antenna or using multiple antennas on separate devices to improve local reception.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Frequency band | 0.9 |
| Antenna gain level (max) | 3 dBi |
| Impedance | 50 Ω |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 135 mm |
| Diameter | 10 mm |

### Features

| Feature | Value |
|---|---|
| Antenna type | Omni-directional antenna |
| Product colour | Black |
| Purpose | Indoor |
| Antenna connector type | SMA |
| Polarization | Vertical polarization |
| Voltage Standing Wave Ratio (VSWR) | 1.5 |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Connector gender | Female |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -20 - 65 |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Box |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | Taiwan |

## FAQ

### How much does the Omni-directional antenna DeLOCK NB-IoT cost, and is it available for purchase?

The price is 12.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 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 13.07.2026 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 DELOCK 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 DELOCK 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: antenna gain level (max), frequency band, 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.

### Where can I download the instructions for Omni-directional antenna DeLOCK NB-IoT?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1037586/54720723_large.webp