# SFP optical module SIGNAMAX 100-32WDMB-LR20 single-mode 1550 nm LC, 20 km, DDM

**URL:** https://aio.lv/en/product--signamax-100-32wdmb-lr20--4039684
**Data updated:** 2025-12-29 14:00 (EET)
**Category:** Network Media Converters
**Manufacturer:** SIGNAMAX
**Manufacturer code:** 100-32WDMB-LR20
**EAN:** 70107715
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--signamax-100-32wdmb-lr20--4039684

## 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

SFP optical transceiver SIGNAMAX 100-32WDMB-LR20 is a single-mode 1550 nm module with LC connector, designed for link distances up to 20 km. Supports digital diagnostic monitoring (DDM) for real-time status of optical power and temperature. Suitable for switches, routers and media converters requiring 100 Mbps/1G compatible SFP ports and long-reach fiber connections.

## Long description

SIGNAMAX 100-32WDMB-LR20 is a 1G SFP optical WDM transceiver for single-mode (SM) fiber with a simplex LC connector. It operates with Tx at 1550 nm and Rx at 1310 nm, supports link distances up to 20 km and includes Digital Diagnostic Monitoring (DDM) for real-time monitoring of optical parameters. The module is compatible with devices from other vendors and is intended for use in network equipment with 100 Mbps/1G SFP ports.
Advantages
The module offers long-reach single-mode transmission up to 20 km, vendor compatibility for use with Cisco-compatible equipment, and built-in DDM for monitoring optical power and temperature. Its simplex LC connector provides a compact interface for SM fiber links and the transceiver is individually tested with a standard 3-year warranty.
Suitable for
Switches and routers with 100M/1G SFP ports
Media converters and uplink modules
Long-distance SM fiber links up to 20 km
Environments requiring optical link diagnostics (DDM)
Key specifications
Form factor: SFP (1G)
Fiber type: Single-mode (SM)
Connector: Simplex LC
Wavelengths: Tx 1550 nm / Rx 1310 nm
Maximum reach: 20 km
Diagnostics: DDM (Digital Diagnostic Monitoring)
Compatibility: Cisco-compatible and other vendor devices
Manufacturer part number (MPN): 100-32WDMB-LR20
How to use
Insert the SFP module into a compatible SFP port on a switch, router or media converter. Connect a single-mode fiber cable using the simplex LC connector, observing correct Tx/Rx orientation. After installation, enable or verify the SFP port on the device and check link status; use the host device or network management system to read DDM values for optical power and temperature when needed.
Usage recommendations
Use single-mode fiber with appropriate LC connectors and ensure patch cables meet the required specifications. For reliable performance over the full 20 km, verify fiber quality and link loss. Consult the host equipment compatibility list if vendor lock enforcement is present.

## FAQ

### How much does the SFP optical module SIGNAMAX 100-32WDMB-LR20 cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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, 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 SIGNAMAX 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 SIGNAMAX 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/4039684/51413167_large.webp