# Fiber optic transceiver module D-Link DEM-311GT 1000 Mbit/s SFP 850 nm

**URL:** https://aio.lv/en/product--d-link-dem-311gt--4739
**Data updated:** 2025-11-30 20:09 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** D-Link
**Manufacturer code:** DEM-311GT
**EAN:** 790069248153
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--d-link-dem-311gt--4739

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The D-Link DEM-311GT is a high-performance SFP transceiver module designed for fiber optic networks. It supports a maximum data transfer rate of 1000 Mbit/s and operates at a wavelength of 850 nm. This module is ideal for connecting network devices over short distances, ensuring reliable and fast data transmission. Its compact design and compatibility with various SFP interfaces make it a versatile choice for enhancing network performance.

## Long description

The D-Link DEM-311GT is an SFP/mini-GBIC multimode fiber transceiver designed for Gigabit Ethernet links. It operates at 850 nm and supports full-duplex Gigabit speeds over multimode fiber, providing reach up to 220 m on 62.5 µm fiber and up to 550 m on 50 µm fiber. The transceiver has a metal housing for improved durability and EMI reduction, and it supports hot-pluggable operation.
Advantages
The DEM-311GT combines compact SFP form factor with high performance and cost-effective design. Metal casing enhances mechanical robustness and minimizes electromagnetic interference. Hot-pluggable capability simplifies installation and maintenance, and the product is covered by a standard two-year warranty with access to technical support.
Key specifications
Form factor: SFP / mini-GBIC
Wavelength: 850 nm
Fiber type: Multimode fiber (MMF)
Data rate: 1 Gbps (full duplex)
Maximum distance: 220 m on 62.5 µm MMF; 550 m on 50 µm MMF
Housing: Metal (EMI shielding)
Hot-pluggable: Yes
Warranty: 2 years
How to use
Insert the DEM-311GT SFP transceiver into a compatible SFP slot on a switch or router while the device is powered on or off, as it supports hot-pluggable operation. Connect the appropriate multimode fiber patch cord (62.5 µm or 50 µm) to the transceiver and secure connections at both ends. Verify link status on the network device and configure the port for Gigabit full-duplex operation if required by the switch or router settings.
Rekomendations
Use the DEM-311GT with compatible D-Link or industry-standard SFP ports and select the correct multimode fiber type to achieve the specified reach. For reliable performance, follow manufacturer guidelines for handling fiber connectors and observe ESD precautions during installation.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | SFP |
| Maximum data transfer rate | 1000 Mbit/s |
| Networking standards | IEEE 802.3x |
| Duplex system | Full |
| Wavelength | 850 nm |
| Fiber optic connector | LC |
| Maximum transfer distance | 550 m |
| Fiber cable diameters supported (core/cladding) | 50/125 |
| Multi-mode fiber (MMF) supported | Yes |
| Single-mode fiber (SMF) supported | No |
| SFP transceiver standard | SX |

### Network

| Feature | Value |
|---|---|
| SFP transceiver type | Fiber optic |

### Logistics data

| Feature | Value |
|---|---|
| Pallet gross width | 1220 mm |
| Pallet gross length | 1020 mm |
| Shipping (inner) case width | 260 mm |
| Shipping (inner) case length | 360 mm |
| Shipping (inner) case height | 310 mm |
| Shipping (inner) case gross weight | 4200 g |
| Products per shipping (inner) case | 50 pc(s) |
| Harmonized System (HS) code | 85369010 |
| Shipping (inner) case net weight | 3200 g |
| Pallet gross weight (air) | 246800 g |
| Master (outer) cases per pallet (air) | 54 pc(s) |
| Products per pallet (air) | 2700 pc(s) |
| Pallet height (air) | 1990 mm |
| Pallet gross weight (sea) | 246800 g |
| Master (outer) cases per pallet (sea) | 54 pc(s) |
| Products per pallet (sea) | 2700 pc(s) |
| Pallet height (sea) | 1990 mm |

### Features

| Feature | Value |
|---|---|
| Hot-swap | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | 0 - 40 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 64 g |
| Package depth | 131 mm |
| Package height | 49 mm |
| Package width | 74 mm |

## FAQ

### How much does the Fiber optic transceiver D-Link DEM-311GT 1000 Mbit/s cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 330 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 09.07.2026 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 D-Link 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 D-Link 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: interface type, maximum data transfer rate, 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/4739/54578219_large.webp