# SFP Transceiver LevelOne 1.25Gbps 20km 1310nm

**URL:** https://aio.lv/en/product--levelone-sfp-3211--431006
**Data updated:** 2025-12-28 21:18 (EET)
**Category:** Network Transceiver Modules
**Manufacturer:** LEVELONE
**Manufacturer code:** SFP-3211
**EAN:** 4015867155165
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 21.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--levelone-sfp-3211--431006

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The LevelOne 1.25Gbps Single-mode SFP Transceiver offers a reliable data transfer rate of 1250 Mbit/s over a distance of 20km. It operates at a wavelength of 1310nm and is designed for single-mode fiber optic applications. With a compact size of 57mm x 12mm x 13.7mm, it is easy to integrate into existing systems. Certified with CE and FCC, it ensures safety and compliance. Input voltage is 3.3V with a maximum current of 0.3A, making it efficient for various networking needs.

## Long description

The LevelOne SFP-3211 is a single-mode SFP transceiver designed for Gigabit Ethernet and single-mode fiber links. It supports up to 1.25 Gbps bidirectional data transfer over a duplex LC-connected single 9 µm fiber and uses a 1310 nm FP laser diode. The module is compliant with IEEE 802.3z and MSA specifications and requires a single +3.3 V power supply.
Advantages
The transceiver provides a compact, MSA-compliant SFP form factor with AC/DC differential electrical interface and RoHS lead-free construction. It offers plug-and-play operation without additional configuration software and is designed for eye safety to meet LASER Class 1 (EN60825-1). The device combines standard Gigabit Ethernet compatibility with simple power requirements.
Suitable for
Gigabit Ethernet single-mode fiber links
Fiber Channel applications compatible with the stated data rates
Network equipment requiring SFP slots (switches, routers, media converters)
Key specifications
Model: LevelOne SFP-3211
Data rate: 1.25 Gbps (NRZ)
Wavelength: 1310 nm (FP laser diode)
Connector: Duplex LC
Fiber type: Single-mode (9 µm)
Power supply: +3.3 V
Form factor: SFP, MSA compliant
How to use
Insert the SFP-3211 module into a compatible SFP slot on your network device until it clicks into place. Connect a single-mode duplex LC fiber cable (9 µm) to the module, ensuring correct transmit/receive orientation. Power the host device with the standard +3.3 V supply already provided by the SFP slot; no additional configuration software is required. Verify link and data transmission using the host device status indicators or network management tools.
Usage recommendations
Install and remove the module with the host device powered down if the device documentation recommends hot-swap protection; keep fiber connectors clean and capped when not in use to maintain link quality and eye-safety compliance.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Interface type | SFP |
| Maximum data transfer rate | 1250 Mbit/s |
| Networking standards | IEEE 802.3z |
| Duplex system | Full |
| Wavelength | 1310 nm |
| Fiber ports quantity | 1 |
| Fiber optic connector | LC |
| Maximum transfer distance | 10000 m |
| Fiber cable diameters supported (core/cladding) | 9/125 |
| Tx power (max) | -3 dBmW |
| Tx power (min) | -9.5 dBmW |
| Single-mode fiber (SMF) supported | Yes |

### Network

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

### Features

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Hot-swap | Yes |

### Power

| Feature | Value |
|---|---|
| Input voltage | 3.3 |
| Power over Ethernet (PoE) | Yes |
| Maximum current | 0.3 A |
| Maximum voltage | 6 V |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, FCC |
| Safety | EN 60825-1 |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 5 - 95 |
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | 0 - 70 |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 85369010 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 35 g |
| Package depth | 20 mm |
| Package height | 65 mm |
| Package width | 106 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.02 kg |
| Height | 13.7 mm |
| Width | 57 mm |
| Depth | 12 mm |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

## FAQ

### How much does the SFP Transceiver LevelOne 1.25Gbps 20km 1310nm cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2279 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 01.07.2026 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 LEVELONE 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 LEVELONE 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, weight, 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/431006/54582589_large.webp