# DB9 to RJ45 Modular Adapter M/F StarTech GC98MF

**URL:** https://aio.lv/en/product--startech-gc98mf--626235
**Data updated:** 2025-12-28 21:31 (EET)
**Category:** Serial & Parallel Cables
**Manufacturer:** StarTech
**Manufacturer code:** GC98MF
**EAN:** 065030773515
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.49 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 3.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-gc98mf--626235

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.06.2026 | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

The StarTech DB9 to RJ45 Modular Adapter (M/F) allows you to connect DB9 serial devices to RJ45 networks. It features a DB-9 connector on one end and an RJ-45 connector on the other, making it ideal for serial communication over Ethernet. The compact black design ensures durability and easy integration into existing setups, providing a reliable solution for connecting legacy devices to modern networks.

## Long description

The StarTech DB9 to RJ45 Modular Adapter (M/F) GC98MF converts a DB9 female serial connection into an RJ45 female modular connection. It is designed for modular RS-232, RS-422 and RS-485 wiring and supports custom serial pinout configurations, providing a compact, black adapter for integrating DB9 serial devices with RJ45-based cabling.
Advantages
The adapter enables customized serial connections by mapping DB9 pins to RJ45 modular jacks and is covered by a lifetime warranty for long-term reliability. Its compact form factor simplifies installation in tight spaces and allows reuse of existing RJ45 cabling for serial links.
Suitable for
Connecting DB9 serial devices to RJ45-terminated cabling
Creating custom RS-232, RS-422 or RS-485 serial pinouts
Laboratory, industrial or networking setups that require DB9-to-RJ45 conversion
Key specifications
Brand: StarTech
Model / MPN: GC98MF
Connector A: DB9 male
Connector B: RJ45 female (modular)
Supported serial standards: RS-232, RS-422, RS-485
Color: Black
EAN: 065030773515
How to use
Connect the DB9 male end of the adapter to a DB9 female port on your serial device or cable, then plug a standard RJ45 modular plug into the RJ45 female connector. Configure the wiring according to your required serial standard and custom pinout. Verify signal direction and ground connections before powering equipment.
Usage recommendations
Use the adapter to preserve existing RJ45 cabling when converting legacy DB9 serial equipment to modular connections. Confirm proper pin mapping for your RS-232/422/485 application and avoid hot-plugging on powered serial equipment where not recommended by the device manufacturer.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.0175 kg |
| Certification | CE, REACH |
| Package weight | 20 g |
| Height | 16 mm |
| Connector(s) | DB9 Male, RJ45 Female |
| Width | 33.5 mm |
| Depth | 85 mm |
| Product colour | Black |
| Package depth | 125 mm |
| Package width | 90 mm |
| Connector 1 | DB-9 |
| Connector 2 | RJ-45 |
| Connector 1 gender | Male |
| Connector 2 gender | Female |
| Sustainability certificates | RoHS |

## FAQ

### How much does the DB9 to RJ45 Modular Adapter StarTech GC98MF cost, and is it available for purchase?

The price is 4.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 328 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 18.06.2026 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: Cash payment, 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 StarTech 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 StarTech 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

### Where can I download the instructions for DB9 to RJ45 Modular Adapter StarTech GC98MF?

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/626235/56588453_large.webp